منابع مشابه
Parenting Behaviour: Babbling Bird Teachers?
One of humankind's most distinctive characteristics is our extended and complex period of child dependency. New research on a noisy African bird may help to shed light on how our unusual parenting behavior evolved.
متن کاملMaternal Behaviour Is Modulated by Prenatal Stress in Young Bird
Maternal behavior has a significant individual variability, as mothers take care differently to their young based on their own breeding experience or age. In this parent-youth system, we investigated whether the young played a role as modulator of maternal behavior. For this, we evaluated how adoptive quail (unstressed) raised chicks coming from stressed female (PS) or not (NPS) thank a social ...
متن کاملBird Mite Infestation
Mites in the genus Dermanyssus are external parasites of birds, rodents and other mammals. The most common member of this group is the Chicken Mite that infests poultry roosts and wild bird nests. The chicken mite feeds primarily at night when the birds return the nest or roast area. They hide during the day in nearby cracks, crevices and other protected sites. These mites are known to infest h...
متن کاملInterspecific audience effects on the alarm-calling behaviour of a kleptoparasitic bird.
Audience effects are increasingly recognized as an important aspect of intraspecific communication. Yet despite the common occurrence of interspecific interactions and considerable evidence that individuals respond to the calls of heterospecifics, empirical evidence for interspecific audience effects on signalling behaviour is lacking. Here we present evidence of an interspecific audience effec...
متن کاملLooking after your partner: sentinel behaviour in a socially monogamous bird
Natural selection favours those individuals with effective anti-predator defences. The presence of sentinels is known to be an effective form of defence amongst stable groups of individuals within cooperative and polygynous breeding systems. However, the presence of sentinels in the more prevalent socially monogamous breeding systems remains overlooked as an important benefit of such partnershi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1936
ISSN: 0028-0836,1476-4687
DOI: 10.1038/137381a0