Correct Answer The Bee Hummingbird of Cuba and Isle of Pines is the smallest bird in the world. It also holds the record for the smallest nest ever built by a bird.
Correct Answer Both English Mastiff and St Bernard are considered to be among the heaviest dogs in the world. Males from both the breeds have been regularly weighed in at 170-200 lb.
Correct Answer No one can beat a cheetah over short distances (600 yds or so). They have been found to touch speeds of over 65 mph over plain ground. But over sustained distances, the Pronghorn Antelope is the fastest.
