| Titre : | Dansk Ornitologisk Forenings Tidsskrift 109(4) - 2015 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Jesper Stern Nielsen, Auteur ;
Joachim Westergaard Lassen, Auteur ;
Trine Bork Larsen, Auteur ;
Helene Overgard, Auteur ;
Iben Hove Sorensen, Auteur ;
Klaus Dichmann, Auteur ;
Peter Sunde, Auteur
Live streaming from bird nests has become increasingly popular for educational purposes, but may also hold a research potential by enabling direct observations of food provisioning and social interactions, We used video recordings from an Eagle [...]
Article
David Boertmann, Auteur ;
Kent Olsen, Auteur ;
Rasmus Due Nielsen, Auteur
Aerial surveys of geese were carried out in July/August 2008 and 2009 in Northeast and North Greenland. Moulting Pink-footed Geese Anser brachyrhynchus had increased considerably in numbers compared to results of similar surveys in 1988 up to th[...]
Article
Anthony D. Fox, Auteur ;
Henning Heldbjerg, Auteur ;
Timme Nyegaard, Auteur
Avian Introduced Alien Species (IAS) constitute a threat to the integrity of native biodiversity, the economy and human health, so here we briefly review some of the problems posed by such species around the world in relation to such bird specie[...]
