Polar Bears can detect another bear with their excellent sense of smell, male bears can spend weeks tracking the scent of a female who is ready to mate. Taken from Animal Attraction.

Subscribe to BBC Earth: http://bit.ly/BBCEarthSubBBC'>http://bit.ly/BBCEarthSubBBC Earth YouTube Channel:    / bbcearth  

BBC Earth Facebook   / bbcearth   (exUK only)
BBC Earth Twitter   / bbcearth  

Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos

Subscribe: http://bit.ly/BBCEarthSub

WATCH MORE:
New on Earth: https://bit.ly/2M3La96
Oceanscapes: https://bit.ly/2Hmd2kZ
Wild Thailand: https://bit.ly/2kR7lmh

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thoughtprovoking and educational natural history content.

This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/co...