It is not a real surprise that the smallest birds in the world belong to the family Trochilidae, commonly known as hummingbirds. However, even within the hummingbird family, there are large ...

Interestingly, there is a remarkable 155 kg difference between the smallest and largest species. Found in the southwestern United States and Mexico, the males of this striking bird species sport a ...

Weebill, with short, stubby, and pale beak, is one of world's smallest birds. It can grow up to 8-9 cm long and weighs around 6 grams ...

The bee hummingbird is the world's smallest bird. It is about 2.25 inches long and weighs less than 2 grams, which is about the same as a cashew nut ...

Arizona's state bird fends for itself against predators in the desert, making its home in prickly plants. Here's what to know and how to spot it.

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 ...