The male bird measures about 2.2 inches in length, which is around the same length as an AA battery. It weighs around 0.06 ounces, about the weight of a single raisin.

Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope ...

Hummingbirds are famously the smallest birds in the world, but they are also surprisingly aggressive with each other. Because they are so territorial, you would never think of them as living ...

In pursuit of the world’s smallest bird, we’ve come to the backyard of a flamingo pink house in Palpite, Cuba. Ornithologist Christopher Clark has a car full of gear to unload: cameras ...

Images can range from animal portraiture, action or behaviour, as well as the wider habitats of wildlife, to artistic interpretations of the natural world ... These tiny birds weigh just under six ...

The tropical rainforest is a dangerous place for small birds, said Falk, who’s also a researcher at ... “Our perception of the natural world is very biased by our own thoughts about what could be ...