Mystery Flier: How can you tell it's NOT a hummingbird?

Mystery Flier
How can you tell it's NOT a hummingbird?

Occasionally an observer will report 'the tiniest hummingbird we've ever seen.' Could this creature possibly be the one mistaken for a hummingbird? Let's take a close look!

How do you know it's NOT a hummer?

Watch this video clip.
Record similarities and differences on a Venn Diagram.

What clues tell you this creature can't be a hummingbird?

Solve the mystery yourself before you peek. (Roll your mouse over image to see some differences.)