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Article
Ultraviolet coloration of avian parasitic egg does not cue egg rejection in the common redstart host
Marcel Honza, Auteur ; Miroslav Capek, Auteur ; Oldřich Mikulica, Auteur ; Peter Samaš, AuteurAvian brood parasite hosts can use distinct egg traits to recognize a parasitic egg. Previous studies suggested an important role of eggshell ultraviolet (UV) reflectance in rejection. According to the egg detectability hypothesis, natural selec[...]
Article
Oldřich Mikulica, Auteur ; Alfréd Trnka, AuteurUsing direct observations of Common Cuckoo Cuculus canorus behaviour at 53 nests of three Acrocephalus host species, we recorded no vocal activity by females shortly before, during, or after egg-laying, which suggests that female bubbling calls [...]
