the National Natural Science Foundation of China(Nos.31672303 to C.Y.and 31772453 to W.L.);the current laws of China.Fieldwork was carried out under permission from Zhalong National Nature Reserve,P.R.China.
Egg recognition is a variable but common anti-parasitism defense among different species of birds with brood parasites.In contrast,nestling recognition is rare.Very few studies have found nestling recognition in brood...
Hair and feathers are composed of keratin and are indigestible, inalimental and unpalatable for carnivores. However, carnivores often ingest hair and feathers during feeding or when grooming. We hypothesized that ing...
Recent discoveries of feathered dinosaurs from Early Cretaceous deposits in Liaoning,China,have not only lent strongest support for the dinosaurian hypothesis of bird origins,but have also provided much-needed informa...