Kākāpō ( Strigops habroptilus) are large, flightless, nocturnal parrots with mottled green and yellow plumage that only breed ...

Albatross are famous for their wingspan and insane travel times, sometimes flying for days at a time. Read here to learn more ...

Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...