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Comparison Chart
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Monarch Butterfly
Ruby-throated Hummingbird

Photo: Bud Hensley

Photo: Bud Hensley
Insect

Bird

Cold-blooded Warm-blooded
Eats nectar Eats nectar, insects, and sometimes sap
Lays eggs on milkweed plants Lays eggs in nests
Can fly 4 mph (without help from the wind) Can fly 27 mph (without help from the wind); has been clocked at 60 mph.
Spends winter in Mexico Spends winter in Mexico and Central America
Migration enters the U.S. in March and first appears in Texas. Migration enters the U.S. in March and first appears in the Gulf Coast states.
Migrates across eastern US and Canada Migrates across eastern US and Canada
Breeds across eastern US and Canada Breeds across eastern US and Canada
Cannot complete spring migration in one generation. Offspring continue the migration north in place of their parents. Can complete the entire spring migration in one generation.
Monarch butterfly migration map. Ruby-throated hummingbird migration map.

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