| Titre : | Ornis Fennica 99(1) - June, 2022 |
| Type de document : | Bulletin |
| Paru le : | 26/06/2022 |
Dépouillements
Article
Henning Heldbjerg, Auteur ;
Anthony D. Fox, Auteur ;
Thorsten J. S. Balsby, Auteur ;
Peder V. Thellesen, Auteur
Night-brooding of nestlings in cavity-nesting avian species carries predation risks to parents. Anecdotally, several species are known to shift from constant adult night-brooding behaviour to leaving nestlings unattended at night during offsprin[...]
Article
Pekka Lehtonen, Auteur ;
Jyrki Lappalainen, Auteur
The intention of the study was to determine whether male Black-throated Divers (Gavia arctica) can be distinguished individually by their vocalization. The songs of 19 male Black-throated Divers (BTDs) were recorded in their territories in the s[...]
Article
Jan Ove Bustnes, Auteur ;
Morten Helberg, Auteur ;
Bård-Jørgen Bårdsen, Auteur
Many seabird populations suffer heavily from the destruction of nests by generalist predators. In this study, we analyzed 16 years of data (2005–2020) on the reproductive output of the northern Lesser Black-backed Gull (Larus fuscus fuscus) at H[...]
