Find the odd one out?

They spend their whole lives in darkness, yet they are able to find their way through.

This small bird drinks eight times more water than its actual body weight.

Find out the odd one

Name the domestic animal that gives us milk.

Find out the odd one

Tiger is a ________

This bird finds its prey through its sense of smell.

Bear is a _____

Name the small bird, whose nest is double the size of a football!