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.

Calliope Hummingbird Identification and Size Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope hummingbird is incredibly tiny.

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 ...

One of the UK's smallest birds of prey that is threatened in the UK has been spotted near Southampton. Daily Echo Camera Club member John Scamell snapped a sparrowhawk looking for another bird's nest ...