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Content with tag body condition .

Argentine ants harm nestlings of the blue tit

The consequences of ant invasions on ecosystems may only become apparent after long periods. In addition, predicting how sensitive native fauna will respond is only possible if the underlying...

Nocturnal birds could communicate through the fluorescence of their feathers

Many nocturnal animals, including invertebrates such as scorpions and a variety of vertebrate species, including toadlets, flying squirrels, owls, and nightjars, emit bright fluorescence under...

Birds present worse body conditions in more urbanized areas

Human landscape transformation, especially urbanization, strongly affects ecosystems worldwide. Both urban stressors and parasites have negative effects on organism health, however the potential...

Light pollution and seabird fledglings

One of the most critical phases in the life of petrels is at fledging when young birds pass from parental dependence on land to an independent life at sea. To mitigate mortality at this time,...