La Tour du Valat

Article

Winter habitat use by Loggerhead Shrikes (Lanius Ludovicianus) in Mexico: separating migrants from residents using stable isotopes

Guillermo E. Perez, Auteur ; Keith A. Hobson, Auteur

Dans Journal of Ornithology (150(2) APR 2009)

Several species of migrant birds overlap in range on their wintering grounds with non-migrant conspecifics or other species that occupy a similar niche. Very little is known whether such overlap results in competition and subsequent habitat segr[...]

Plus d'information...

Notice ajoutée !