Life
Nightingales match the pitch of their rivals in singing duels
Male nightingales respond to each other鈥檚 songs by whistling back at the same pitch when competing for territory, and they even copy the pitch of artificial whistle sounds
News
Life
Unique egg patterns help drongos avoid getting duped by cuckoos
News
Life
Shortage of male turtles could be solved by splash of cold seawater
News
Life
Postmenopausal orcas seem to prevent sons from getting into fights
News
Life
Basking sharks are one of the few warm-blooded species of fish
News
Life
Amazing fossil hints mammals hunted dinosaurs three times their size
News
Life
Fossil of pregnant ground sloth discovered with fetus inside
News
Life
Pigs open doors to free companions in a possible show of empathy
News
Environment
Mass fish deaths will occur more often in rivers as UK gets hotter
News
Life
Bone disease in sabre-toothed tigers may be a sign of inbreeding
An analysis of bones from the La Brea tar pits in California reveals that sabre-toothed tigers and dire wolves had very high rates of osteochondrosis, which may stem from a dwindling gene pool as they neared extinction
News
Life
Life鈥檚 hidden laws: The arcane rules of evolution and how they work
Features
Life
Birds from two different species raise chicks together in one nest
News
Life
Birds are using anti-bird spikes to make their nests
News
Life
Sex between two males is extremely common in wild macaque monkeys
News