Across
- 3. There are about 300 ______ of hummingbirds.
- 4. Hummingbirds only live in the Western __________.
Down
- 1. Hummingbirds diets consist of flower nectar, sap and __________.
- 2. The hummingbird's ________ can beat 70 times per second.
- 3. Hummingbirds are the _______ birds in the world.