Bee Hummingbird

The Bee Hummingbird (Mellisuga helenae) is the #smallest #bird and the smallest #warm-blooded vertebrate. It is also known as #Cuban #bee as it is found mostly in Cuba. It measures 5.7cm in length and 1.8g in weight. 

The Bee Hummingbird is said to eat half its total body mass and drink eight times its total body mass each day. We cannot see its wings while flying as it flaps its wings 90 times per second. 

The heartbeat of this #bird is 1,260 times. The size of its nest measures 2cm wide and 3cm deep. Its #eggs are smaller than coffee grounds.