Debate: Proposals for new index for ornithological efforts and examples of use

Found in: DOFT vol. 118. no. 2 2024

Sten Rostrup

Release year 2024

Do migrant European chats and warblers use magnetic gradient navigation?

Found in: DOFT vol. 108 nr. 4 2014

Jørgen Rabøl

Release year 2014

Transformation of Colour Degrees to Number of Jumps Using the Emelen Orientation Technique

Found in: DOFT vol. 64 nr. 2 1970

Jørgen Rabøl

Release year 1970

Development of National Population Monitoring of Migratory Birds Using Citizen Science

Amanda Johannison

Timme Nyegaard

Anders P. Tøttrup

Release year 2025

Birds and pesticides – what do we know and how can this knowledge be used?

Found in: DOFT vol. 116. no. 3 2022

Henrik Wejdling

Release year 2022

A study of the Mute swan (Cygnus olor) molting sites in Denmark

Found in: DOFT vol. 65 nr. 2 1971

Pelle Andersen-Harild

Release year 1971

Individual spatiotemporal histories of first year Golden Eagles in Denmark using GPS-tracking

Found in: DOFT vol. 117. no. 2 2023

Anders P. Tøttrup

Jonas Colling Larsen

Jan Tøttrup Nielsen

Hans Christophersen

Kasper Thorup

Release year 2023

Use of an objective indicator species selection method shows decline in bird populations in Danish habitats

Found in: DOFT vol. 107 nr. 2 2013

Anne Eskildsen

Jørn Dyhrberg Larsen

Henning Heldbjerg

Release year 2013

The impact of changes in agricultural use on the fauna of breeding birds: An example from Vendsyssel, North Jutland (Summary)

Found in: DOFT vol. 74 nr. 1 1980

Anders Pape Møller

Release year 1980

The Migration of Geese through Denmark (Summary)

Found in: DOFT vol. 58 nr. 3 1964

Mette Fog

Release year 1964

Om sort Rødstjert (Ruticilla titys) i Danmark.

Found in: DOFT vol. 2 nr. 2 1908

V. Weibüll

Release year 1908

Jon - an inspiring supervisor

Found in: DOFT vol. 116. no. 4 2022

Elin Pitter

Mette Bohn Christiansen

Release year 2022

Roof-top breeding gulls in Århus city and Denmark (Summary)

Found in: DOFT vol. 94 nr. 4 2000

Ole Lilleør

Release year 2000

Zinc, copper, lead and cadmium in feathers af Danish Grey Herons, Ardea cinerea (Summary)

Found in: DOFT vol. 77 nr. 1 1983

Anne-Marie Rolev

Release year 1983

Under the singing Mountains (no English Summary).

Found in: DOFT vol. 41 nr. 3 1947

Aage Gitz-Johansen

Release year 1947

Fuglelivet i Nordvestgrønland. Iagttagelser fra mit Vindue.

Found in: DOFT vol. 15 nr. 2 1921

P. Freuchen

Release year 1921

The Great Auk A 150 year memory

Found in: DOFT vol. 88 nr. 1 1994

Peter Lyngs

Release year 1994

The Red Kite in Sweden (Summary)

Found in: DOFT vol. 92 nr. 4 1998

Nils Kjellén

Release year 1998

¨The Matter of the Kite¨ (no English Summary).

Found in: DOFT vol. 44 nr. 1 1950

Otto Wilhjelm

Release year 1950

Om de i Grønland forekommende Racer af Fjældrypen, Lagopus mutus mutus (Montin).

Found in: DOFT vol. 19 nr. 2 1925

E. Lehn Schiøler

Release year 1925

Rediscovery of Fulmarus glacialis minor (Kjærbølling) (Summary).

Found in: DOFT vol. 44 nr. 2 1950

Finn Salomonsen

Release year 1950

Den VIII Internationale Ornithologiske Kongres i Oxford 1934.

Found in: DOFT vol. 28 nr. 3 1934

Bernt Løppenthin

Release year 1934

The red kite - Denmark's most beautiful garbageman

Tine Stampe

Michael B. Grell

Uffe Rasmussen

Release year 2014

How many birds breed in Denmark? (Summary)

Found in: DOFT vol. 91 nr. 3 1997

Erik Mandrup Jakobsen

Release year 1997

Behaviour of Greenfinches Carduelis chloris at a communal roost

Found in: DOFT vol. 79 nr. 2 1985

Arne Kiis

Release year 1985

Greenland: from Fabricius and Winge to Solomonsen and many more

Found in: DOFT vol. 100 nr. 3 2006

David Boertmann

Release year 2006

The Mute Swan (Cygnus olor) Breeding at Bognæs (Summary)

Found in: DOFT vol. 61 nr. 3 1967

Freddy Jensen

Release year 1967

Occurrence of the Black Kite (Milvus migrans) in Denmark (Summary)

Found in: DOFT vol. 60 nr. 3 1966

Jørgen Villerslev Hansen

Release year 1966

The first many years with grebes, waterfowl, nestlings etc.

Found in: DOFT vol. 116. no. 4 2022

David Boertmann

Release year 2022

Notes on the bird fauna of Hudson Land and Hold With Hope, Northeast Greenland, 1973

Found in: DOFT vol. 70 nr. 1 1976

Christian Hjort

Release year 1976

The Mute Swan (Cygnus olor) Breeding in Colony in Denmark (Summary)

Found in: DOFT vol. 64 nr. 2 1970

Dorete Bloch

Release year 1970

Notes on the Mating Behaviour of the Sheld-Duck (Tadorna tadorna (L.))

Found in: DOFT vol. 51 nr. 3 1957

Holger Poulsen

Release year 1957

Diet of Tengmalm's Owl Aegolius funereus at a Danish wintering site (Summary)

Found in: DOFT vol. 90 nr. 1 1996

Michael Carlsen

Release year 1996

Distribution, geographic variation, and taxonomy of Lagopus mutus in Greenland and northern Canada

Found in: DOFT vol. 73 nr. 1 1979

M. Ralph Browning

Release year 1979

Nest sites of the newly established Canada Goose population in West Greenland

Found in: DOFT vol. 95 nr. 4 2001

Jens Nyeland Kristiansen

Nigel S. Jarrett

Release year 2001

The occurrence of Black Kites Milvus migrans in Denmark, 1970-74 (Summary)

Found in: DOFT vol. 71 nr. 1 1977

Lasse Braae

Release year 1977

The Mute Swan (Cygnus olor (Gmelin)) as Breeding-Bird in Denmark (Summary).

Found in: DOFT vol. 45 nr. 3 1951

Poul Jespersen

Release year 1951

The Kite (Milvus m. milvus (L.)) again breeding in Denmark (Summary).

Found in: DOFT vol. 44 nr. 1 1950

Lindhard Hansen

Release year 1950

The Long-toed Stint (Calidris subminuta Midd.) and its Eggs (Summary).

Found in: DOFT vol. 43 nr. 2 1949

Hans Johansen

Release year 1949

From the Zoological Museum III.

Found in: DOFT vol. 39 nr. 4 1945

Finn Salomonsen

Release year 1945

Migration and breeding site fidelity in Northern Wrynecks Jynx torquilla ringed in Denmark

Found in: DOFT vol. 111 nr. 2 2017

Egon Østergaard

Release year 2017

Breeding bird densities in the Ramsar site Heden, Jameson Land, East Greenland

Found in: DOFT vol. 104 nr. 4 2010

Christian M. Glahder

Alyn Walsh

Release year 2010

Nest site selection of Hooded Crows Corvus corone cornix in Denmark (Summary)

Found in: DOFT vol. 75 nr. 1 1981

Anders Pape Møller

Release year 1981

The Concept ¨Mating Fight¨ particularly regarding the Moorhen (Gallinula chloropus (L.)) (no summary).

Found in: DOFT vol. 51 nr. 1 1957

Carl Michael Petersen

Release year 1957

A New Race of the Rock-Ptarmigan (Lagopus mutus (Montin)) from Greenland (Summary).

Found in: DOFT vol. 44 nr. 4 1950

Finn Salomonsen

Release year 1950

Distribution of the wild Mute Swan as a Breeding-bird in Southern Sealand (no English Summary).

Found in: DOFT vol. 38 nr. 2 1944

Gregers Schmit

Release year 1944

The Red Kite Milvus milvus in Eastern Jutland: Settlement, change in numbers and habitat

Found in: DOFT vol. 117. no. 2 2023

Jørgen Terp Laursen

Release year 2023

Sort Ibis (Plegadis falcinellus).

Found in: DOFT vol. 9 nr. 2 1915

Redaktionen

Release year 1915

Bird-life at Jægerspris Estate. II. (no English Summary).

Found in: DOFT vol. 47 nr. 4 1953

Vagn Holstein

Release year 1953

Eastern Whimbrel in Siam (Summary).

Found in: DOFT vol. 41 nr. 3 1947

Finn Salomonsen

Release year 1947

Nest and nest site of the Sparrowhawk Accipiter nisus - and some comparisons with the Goshawk A. gentilis (Summary)

Found in: DOFT vol. 68 nr. 2 1974

Poul Hald-Mortensen

Release year 1974

Sex, age and site fidelity as determining factors of productivity in a confined community of Common Whitethroat

Found in: DOFT vol. 117. no. 1 2023

Kjeld Hansen

Release year 2023

How many pairs of bredding birds did you see on your location this year?

Found in: DOFT vol. 119. no. 3 2025

Redaktionen

Release year 2025

The population of Red Kite Milvus milvus in a census area in Southern Jutland, 1980-1995 (Summary)

Found in: DOFT vol. 91 nr. 2 1997

Per Bomholt

Release year 1997

Experiments on the Orientation of Nightmigrating Passerines in Denmark, Autumn 1969. Comparison of the Reactions at 6 Different Sites

Found in: DOFT vol. 65 nr. 1 1971

Jørgen Rabøl

Finn Dalberg Petersen

Release year 1971

Distribution of the Mute Swan (Cygnus olor (Gm.)) at the Coast and in the Interior of Denmark 1935-1959 (summary)

Found in: DOFT vol. 54 nr. 2 1960

Bertel Bruun

Release year 1960

The Waders of Siam. III. Charadriidae (Tringinae) (Summary).

Found in: DOFT vol. 43 nr. 3 1949

A. Jørgensen

Release year 1949

Besøg hos Stortrapperne (Otis tarda).

Found in: DOFT vol. 3 nr. 2 1909

O. Haase

Release year 1909

A quantitative analysis of the diversity of breeding birds in potential Danish national parks (Summary)

Found in: DOFT vol. 106 nr. 2 2012

Anne-Mette Høeg Andersen

Nina Ottesen

Charlotte Rosenblad Ralund

Release year 2012

Havørnen, Haliaetus albicilla, paa Island. III.

Found in: DOFT vol. 24 nr. 2 1930

P. Nielsen

Release year 1930

Goshawks and Pheasants: experience from experimental trapping and transport away of hawks from Pheasant release sites (Summary)

Found in: DOFT vol. 105 nr. 3 2011

Jan Tøttrup Nielsen

Release year 2011

The breeding habitat, nest-site and nest of the Greenland White-tailed Eagle Haliaeetus albicilla groenlandicus Brehm. (Summary)

Found in: DOFT vol. 73 nr. 1 1979

Jens Christensen

Release year 1979

Shotgun pellets in tissue of Mute Swans Cygnus olor from Denmark – a comparison between 1979 and 1996 (Summary)

Found in: DOFT vol. 96 nr. 1 2002

Pelle Andersen-Harild

Bjarne Clausen

Bent Rye Nilson

Release year 2002

An analysis of breeding results of tits Paridae in Denmark (Summary)

Found in: DOFT vol. 68 nr. 1 1974

Vagn Højkjær Larsen

Release year 1974

The Spread of the Crested Tit (Parus cristatus) in Funen (Summary)

Found in: DOFT vol. 62 nr. 3 1968

Vagn Højkjær Larsen

Kurt Servé Frederiksen

Release year 1968

Bird-Life at Jægerspris Estate. III. (no English Summary).

Found in: DOFT vol. 48 nr. 1 1954

Vagn Holstein

Release year 1954

Contributions to the Biology of the Ruff (Philomachus pugnax (L.)) III.

Found in: DOFT vol. 45 nr. 3 1951

F. Søgaard Andersen

Release year 1951

Colony attendance in a Black Guillemot colony in West Greenland

Found in: DOFT vol. 103 nr. 1 2009

Anne-Mette Høeg Andersen

Katrine Rahe

Signe Sveegaard

Mads C. Forchhammer

Release year 2009

Ciconia ciconia (L.). Zusammenfassung (German Summary).

Found in: DOFT vol. 26 nr. 3 1932

Stig Tejning

Release year 1932

Reed Warbler Acrocephalus scirpaceus at Brabrand Sø – results from 12 years of Constant Effort Site mistnetting and ringing (Summary)

Found in: DOFT vol. 114 no. 1 2020

Henning Ettrup

Morten Jenrich Hansen

Release year 2020

The Siberian Snow-Buntings (Summary).

Found in: DOFT vol. 41 nr. 2 1947

Finn Salomonsen

Release year 1947

Migration and dispersal in Danish Great Tits Parus major (Summary)

Found in: DOFT vol. 72 nr. 2 1978

Kurt Hansen

Release year 1978

First record of Zitting Cisticola Cisticola juncidis in Denmark (Summary)

Found in: DOFT vol. 96 nr. 4 2002

Lars H. Mortensen

Knud Pedersen

Release year 2002

The Penduline Tit (Remiz pendulinus) in Denmark in 1966 and 1967 (Summary)

Found in: DOFT vol. 62 nr. 3 1968

Finn Salomonsen

Release year 1968

Notes on Birds seen in the Faeroe Islands in May and June 1965

Found in: DOFT vol. 60 nr. 2 1966

P. J. Dare

Release year 1966

The Penduline Tit (Remiz Pendulinus (L.)) in Denmark in 1965 (Summary)

Found in: DOFT vol. 60 nr. 3 1966

Finn Salomonsen

Release year 1966

Does the Great Tit attack other Birds? (no English Summary).

Found in: DOFT vol. 38 nr. 2 1944

Holger Poulsen

Release year 1944

The House-Sparrow (Passer domesticus L.) in North Norway, its History, Methods of Dispersal and Notes on its Life-Habits (Summary).

Found in: DOFT vol. 50 nr. 1 1956

Hj. Munthe-Kaas Lund

Release year 1956

Trykfejl og Rettelser.

Found in: DOFT vol. 11 nr. 1 1917

Redaktionen

Release year 1917

Personalia AAGE GITZ-JOHANSEN 20. august 1897 - 1. july 1977 and KENNETH WILLIAMSON 22. march 1914 - 14. june 1977

Found in: DOFT vol. 72 nr. 1 1978

Flere forfattere

Release year 1978

Third Preliminary List of Recoveries of Birds Ringed in Greenland.

Found in: DOFT vol. 43 nr. 3 1949

Finn Salomonsen

Release year 1949

Tilføjelse til Afhandlingen ¨Hejrekolonier i Danmark¨. Aargang 6, Hæfte II-III.

Found in: DOFT vol. 6 nr. 3 1912

V. Weibüll

Release year 1912

Survival, mortality and longevity of Danish Great Tits Parus major (Summary)

Found in: DOFT vol. 74 nr. 2 1980

Kurt Servé Frederiksen

Vagn Højkjær Larsen

Release year 1980

The occurrence of the subspecies of Long-tailed Tit Aegithalos caudatus in Denmark (Summary)

Found in: DOFT vol. 72 nr. 2 1978

Tommy Dybbro

Release year 1978

Flexible foraging behaviour in the Danish Parus guild: a privilege of the Coal Tit?

Found in: DOFT vol. 93 nr. 3 1999

Martin Fyhn Lykke Sørensen

Release year 1999

Penduline Tit (Remiz pendulinus (L.)) as a Breeding-Bird in Denmark (Summary)

Found in: DOFT vol. 59 nr. 1 1965

Finn Salomonsen

Release year 1965

On the Breeding Biology of the Coal Tit (Parus ater ater L.)) (Summary)

Found in: DOFT vol. 59 nr. 2 1965

Jørgen Fog

Release year 1965

Observations and Experiments Conducted on Tame Blue Tit (Parus caeruleus L).

Found in: DOFT vol. 52 nr. 1 1958

Mogens Højgaard

Release year 1958

Immigration and Distribution of the Crested Tit, Parus cristatus L., in Denmark (Summary).

Found in: DOFT vol. 38 nr. 1 1944

Poul Jespersen

Release year 1944

Sabine's Snipe in Denmark (Summary).

Found in: DOFT vol. 41 nr. 1 1947

Finn Salomonsen

Release year 1947

Wrestling between pro ornithologists and field ornithologists: from citizenship to hit hunters

Found in: DOFT vol. 100 nr. 3 2006

Michael B. Grell

N.O. Preuss

Release year 2006

First Record of Moustached Warbler (Lusciniola melanopogon) in Denmark, Amager May 1963

Found in: DOFT vol. 59 nr. 1 1965

Steen Christensen

Release year 1966

Some Observations on the Behaviour of the Little Auk (Plotus alle) on the Breeding-Ground, with Special Reference to Voice Production

Found in: DOFT vol. 63 nr. 1 1969

Lorenz Ferdinand

Release year 1969

Spredning hos ynglende Almindelige Ryler på Tipperne

Found in: DOFT vol. 93 nr. 4 1999

Ole Thorup

Release year 1999

A New Tit-Babbler (Stachyris hypogrammica, sp. nov.) from Palawan, Philippine Islands

Found in: DOFT vol. 55 nr. 4 1961

Finn Salomonsen

Release year 1961

Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Found in: DOFT vol. 117. no. 3 2023

Thomas Secher Jensen

Thorsten J. S. Balsby

Kent Olsen

Release year 2023

The Distribution and the Occurrence of the Falcons in Denmark. III. The Lesser Kestrel (Falco n. naumanni Fleisch.), the Kestrel (F. t. tinnunculus L.) and the American Kestrel (F. s. sparverius L.) (Summary).

Found in: DOFT vol. 47 nr. 2 1953

Torben Donark

Release year 1953

Development in the number of breeding bird species in Denmark 1800-2012 II

Found in: DOFT vol. 110 nr. 4 2016

Lars Dinesen

Tom S. Romdal

Michael B. Grell

Erik Buchwald

Release year 2016

The goose populations at the Tipper peninsula, Western Jutland, Denmark. II: Feeding ecology in relation to the carrying capacity of the area (summary)

Found in: DOFT vol. 79 nr. 2 1985

Bent Lorenzen

Jesper Madsen

Release year 1985

A Study of the Display of the Ruff (Philomachus pugnax (L.)). II.

Found in: DOFT vol. 52 nr. 2 1958

P. Bancke

H. Meesenburg

Release year 1958

The Distribution and the Occurrence of the Falcons in Denmark (Summary)..

II. The Hobby (Falco s. subbuteo L.), the Merli...

Found in: DOFT vol. 47 nr. 1 1953

Torben Donark

Release year 1953

The Ornithology of Härjedalen, from a Zoogeographical Point of View. II. Synopsis of Species Observed in 1944 (Summary).

Found in: DOFT vol. 43 nr. 1 1949

Finn Salomonsen

Release year 1949

The Waders of Siam. II. Charadriidae (Arenariinae, Calidriinae) (Summary).

Found in: DOFT vol. 43 nr. 2 1949

A. Jørgensen

Release year 1949

Contributions to the Biology of the Ruff (Philomachus pugnax (L.)) II.

Found in: DOFT vol. 42 nr. 3 1948

F. Søgaard Andersen

Release year 1948

From the Zoological Museum II.

Found in: DOFT vol. 39 nr. 3 1945

Finn Salomonsen

Release year 1945

The Distribution and Occurrence of the different Species of Owls in Denmark. II. Not breeding Species (Summary).

Found in: DOFT vol. 32 nr. 1 1938

P. Jespersen

Release year 1938

Havørnen, Haliaetus albicilla, paa Island. II.

Found in: DOFT vol. 21 nr. 1 1927

P. Nielsen

Release year 1927

Fuglefristedet Jordsand. II.

Found in: DOFT vol. 18 nr. 1 1924

H. Arctander

Release year 1924

Fuglene ved Nakkebøllefjord. II.

Found in: DOFT vol. 13 nr. 1 1918-1919

O. Helms

Release year 1919

Rettelser til P. Nielsens Afhandling ¨Optegnelser vedrørende Islands Fugle¨. I Hæfte I-II.

Found in: DOFT vol. 13 nr. 1 1918-1919

P. Nielsen

Release year 1919

Nyere Meddelelser om danske Fugle. II.

Found in: DOFT vol. 11 nr. 2 1916-1917

Sylv. Matthias Saxtorph

Release year 1917

Hvad er Gyvfugle? II

Found in: DOFT vol. 2 nr. 4 1908

O. Helms

Release year 1908

The population of Nightjars in NW Jutland 1995-2007 and its future prospects after the introduction of new forestry plans (Summary)

Found in: DOFT vol. 104 nr. 1 2010

Niels Odder Jensen

Release year 2010

The occurrence of Capercaillie in Denmark, with remarks on its official status (Summary)

Found in: DOFT vol. 103 nr. 3 2009

Jørgen Staarup Christensen

Release year 2009

Adaptations by the King Eider Somateria spectabilis to its moulting habitat: review of a study at Disko, West Greenland

Found in: DOFT vol. 89 nr. 2 1995

Ole Frimer

Release year 1995

Migration of the Dotterel Eudromias morinellus and its occurrence in Denmark (Summary)

Found in: DOFT vol. 76 nr. 1 1982

Egon Østergaard

Release year 1982

The recent decline in the population of Blackheaded Gulls Larus ridibundus in Denmark and its plausible causes

Found in: DOFT vol. 95 nr. 1 2001

Henning Heldbjerg

Release year 2001

The Distribution and Occurrence of the Dipper (Cinclus cinclus (L.)) in Denmark, with Remarks about its Behaviour in the Winter Quarters (summary).

Found in: DOFT vol. 53 nr. 1 1959

N.O. Preuss

Release year 1959

The Common Heron (Ardea c. cinerea L.) as a breeding-bird in Denmark, particularly as regards fluctuations in its population-size and changes in its distribution pattern (Summary).

Found in: DOFT vol. 48 nr. 4 1954

Leif Lyneborg Jensen

Release year 1954

The Shearwater (Puffinus puffinus (Brünn.)) and its Catching in the Faroe Islands (Summary).

Found in: DOFT vol. 45 nr. 2 1951

Arne Nørrevang

Release year 1951

The Greenland White-fronted Goose (Anser albifrons flavirostris Scott & Dalgety) and its Breeding-Biology (Summary).

Found in: DOFT vol. 44 nr. 2 1950

Hannibal Fencker

Release year 1950

The Greenland White-tailed Eagle (Haliaeetus albicilla groenlandicus Brehm) and its Food (Summary).

Found in: DOFT vol. 44 nr. 3 1950

Harry Madsen

Chr. Vibe

Release year 1950

The Raven (Corvus corax L.) in South Jutland and its preservation (Summary).

Found in: DOFT vol. 44 nr. 4 1950

Poul Jespersen

Release year 1950

The Avifaunistic Analysis and its Terminology (Summary).

Found in: DOFT vol. 40 nr. 1 1946

Finn Salomonsen

Release year 1946

The occurrence of the Kingfisher (Alcedo atthis ispida L.) in Denmark and its Damage to Fish-Ponds (Summary).

Found in: DOFT vol. 39 nr. 4 1945

Poul Jespersen

Release year 1945

Social Stimulation and its Significance to the Reproductive Cycle of Gregarious Birds (Summary).

Found in: DOFT vol. 37 nr.1 1943

Finn Salomonsen

Release year 1943

Consultation response on the sustainable use of plant protection products

Egon Østergaard

Dansk Ornitologisk Forening (DOF) / BirdLife Danmark

Claus Lind Christensen

Danmarks Jægerforbund

Arne T. Henriksen

Danmarks Biavlerforening

Release year 2022

2nd Consultation response on the sustainable use of plant protection products

Egon Østergaard

Dansk Ornitologisk Forening (DOF) / BirdLife Danmark

Claus Lind Christensen

Danmarks Jægerforbund

Arne T. Henriksen

Danmarks Biavlerforening

Release year 2022

Consultation response on the sustainable use of plant protection products (European Commission))

Egon Østergaard

Dansk Ornitologisk Forening (DOF) / BirdLife Danmark

Claus Lind Christensen

Danmarks Jægerforbund

Arne T. Henriksen

Danmarks Biavlerforening

Release year 2022

Home range and habitat use for Danish montagu's harriers in the breeding season

Iben Hove Sørensen

Michael Bødker Clausen

Henning Heldbjerg

Release year 2014

Development of National Population Monitoring of Migratory Birds Using Citizen Science

Amanda Johannison

Timme Nyegaard

Anders P. Tøttrup

Release year 2025

Project report - City Nature Project

Bo T. Johansen

John Frisenvænge

Anna Jørgensen

Release year 1999

The nature and bird life of the city - ideas and experiences

Bo T. Johansen

John Frisenvænge

Jette Rohde Jensen

Anna Jørgensen

Release year 1999

DOF motivation study of active birdwatchers, Atlas III and Point Count Census

Charlotte Mathiassen

Charlotte Moshøj

Thomas Vikstrøm

Release year 2018

The bird sites in Ribe County

Keld Bakken

Morten Nielsen

Release year 1999

The bird sites in Frederiksborg County

Thomas Vikstrøm

Morten Nielsen

Release year 1999

The bird sites in Vejle County

Kim Biledgaard

Morten Nielsen

Release year 1998

The bird sites in Roskilde County

Anita Pedersen

Morten Nielsen

Release year 1998

The bird sites in Viborg County

Morten Nielsen

Release year 1997

The bird sites in Ringkøbing County

Morten Nielsen

Release year 1997

The bird sites in Bornholm County

Morten Nielsen

Release year 1997

Activity catalog - Birds for children

Marie Staun

Nathia Brandtberg

Release year 2016

The bird sites in Southern Jutland County

Morten Nielsen

Release year 1997

Red kite's breeding habitat and distribution in Denmark

Iben Hove Sørensen

Irina Levinsky

Niklas Sundebo

Release year 2014

The bird sites in Aarhus County, volume 1

Peter Lange

Morten Nielsen

Release year 1998

The bird sites in Aarhus County, volume 2

Peter Lange

Morten Nielsen

Release year 1998

The bird sites in Aarhus County, volume 3

Peter Lange

Morten Nielsen

Release year 1998

The bird sites in Fyn County, Volume 1

Morten Nielsen

Release year 1997

The bird sites in Fyn County, Volume 2

Morten Nielsen

Release year 1997

The bird sites in Fyn County, Volume 3

Morten Nielsen

Release year 1997

The bird sites in Storstrøm County, Volume 1

Morten Nielsen

Release year 1997

The bird sites in Storstrøm County, Volume 2

Morten Nielsen

Release year 1997

The bird sites in Copenhagen County and the municipalities of Copenhagen and Frederiksberg

Thomas Vikstrøm

Morten Nielsen

Release year 1998

Citizen Science Based Bird Population Studies. PhD thesis.

Henning Heldbjerg

Release year 2017

The bird sites in Northern Jutland County, volume 1+2

Torben Nielsen

Morten Nielsen

Release year 1998

The bird sites in Northern Jutland County, volume 2+3

Torben Nielsen

Morten Nielsen

Release year 1998

Nature's Constitution - this is how nature should be protected - and this is how it should be used

Danmarks Naturfredningsforening

Friluftsrådet

WWF Verdensnaturfonden

Release year 2003

Høring af udkast til forvaltningsplan for mink, mårhund og vaskebjørn

Flere forfattere

Release year 2019

Proposal for a management plan for the conservation of red kite Milvus milvus in Denmark

Michael B. Grell

Release year 2003

The red dragon - instructions on how we increase the population of red kite in Denmark. BirdLife Denmark. (folder)

Tine Stampe

Michael B. Grell

Release year 2007

Appendix II, Literature list, agri-environment

Release year 2019

Appendix 2. Species parameters used in the statistical tests

Supplement to: DOFT vol. 108 nr. 1 2014

Supplement to: Rare and threatened breeding birds in Denmark 1998-2012 (Summary)

Flere forfattere

Release year 2014

Appendix 1 for M. B. Christiansen & E. Pitter 2022: Jon – an inspiring supervisor

Supplement to: DOFT vol. 116. no. 4 2022

Supplement to: Jon - an inspiring supervisor

Mette Bohn Christiansen

Elin Pitter

Release year 2022

Appendix 1 Use of an objective indicator species selection method shows decline in bird populations in Danish habitats

Supplement to: DOFT vol. 107 nr. 2 2013

Supplement to: Use of an objective indicator species selection method shows decline in bird populations in Danish habitats

Anne Eskildsen

Jørn Dyhrberg Larsen

Henning Heldbjerg

Release year 2013

Appendix 4. Developments in the regions as well as in cities and inland

Supplement to: DOFT vol. 108 nr. 3 2014

Supplement to: Population development of the Herring Gull Larus argentatus in Denmark 1920-2012 (Summary)

Thomas Bregnballe

Peter Lyngs

Release year 2014

Appendix 2: Black Stork: Overview of breeding sites and regional occurrence 1820-1929

Supplement to: DOFT vol. 109 nr. 2 2015

Supplement to: Revised status for rare birds recorded in Denmark before 1965

Jørgen Staarup Christensen

Palle Ambech Frænde Rasmussen

Release year 2015

Appendix 1 for Thomas Secher Jensen, Thorsten J. S. Balsby og Kent Olsen 2023 Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Supplement to: DOFT vol. 117. no. 3 2023

Supplement to: Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Flere forfattere

Release year 2023

Appendix 2 for Thomas Secher Jensen, Thorsten J. S. Balsby og Kent Olsen 2023 Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Supplement to: DOFT vol. 117. no. 3 2023

Supplement to: Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Flere forfattere

Release year 2023

Appendix 3 for Thomas Secher Jensen, Thorsten J. S. Balsby og Kent Olsen 2023 Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Supplement to: DOFT vol. 117. no. 3 2023

Supplement to: Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Flere forfattere

Release year 2023

Appendix 4 for Thomas Secher Jensen, Thorsten J. S. Balsby og Kent Olsen 2023 Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Supplement to: DOFT vol. 117. no. 3 2023

Supplement to: Changes in breeding bird populations in a Danish mixed wood 1966, 1973, and 1997-2020

Flere forfattere

Release year 2023