| Titre : | Journal of Avian Biology 27(2) - JUN 1996 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
C. M. Lessells, Auteur ;
A. C. Mateman, Auteur ;
J. Visser, Auteur
The sex of Great Tit Parus major nestlings was determined using PCR RAPDs. Because this technique requires minute amounts of DNA, chicks could be sampled soon (0-2d) after hatching, before any nestling mortality occurred. The proportion of males[...]
Article
J. A. Amat, Auteur ;
L. M. Carrascal, Auteur ;
J. Moreno, Auteur
We manipulated clutches of Chinstrap Penguins to examine the effects of brood size and offspring age on brood defence le, els. Nest defence intensity increased with increasing offspring age, Experimental birds reduced nest defence intensity afte[...]
