Showing posts from September, 2018

35 Interesting Facts About Hummingbirds

There are more than 300 identified species of hummingbirds.  The hummingbird’s most important sense is its vision. It has  excellent color vision  and sees colors similar to that of humans. They also can see UV (ultraviolet) light. ( Source ) Hummingbirds have the  largest brain  relative to their size among all birds. Their brain is 4.2% of their body weight. ( Source ) Hummingbirds have one of the  best memories  in the animal kingdom. They also may have episodic memory that is present only in human beings. ( Source ) Many species of hummingbirds spend winter and summer in different areas. For this purpose, they  migrate long distances  twice a year. In contrast to most other bird species, hummingbirds  migrate individually  instead of in flocks. Before these long migrations, these hummingbirds gain up to  40% of their original weight . Their unique flying technique assists them in  flying faster and consuming less energy and fat  to reach their destination. Rufous humming cov