Last Updated: Friday, August 3, 2012, 18:55
Cuckoo birds use multiple disguise to lay their eggs in other birds` nests, to avoid raising their own chicks.
Last Updated: Tuesday, February 21, 2012, 11:42
For some mimicry is an art, for others just imitation, but for Subhendu Biswas it is a science.
more videos >>
