Researchers reporting in the journal Current Biology on October 21 have captured the loudest bird calls yet documented. The calls are the mating songs of male white bellbirds, which live atop ...

They’ve been gone since the 1970s, but by Sunday afternoon, up to 50 bellbirds will be singing in the trees on Motuihe Island. The release is part of an ambitious Department of Conservation/Auckland ...

AMHERST, Mass. - Biologist Jeff Podos at the University of Massachusetts Amherst, with Mario Cohn-Haft at the Instituto Nacional de Pesquisas da Amazônia, Brazil, report that they have recorded the ...

Bellbirds have the loudest bird calls yet documented in the world, according to a study which found that their mating songs pack more decibels than the screams of howler monkeys and the bellows of ...