Short-Distance and Long-Distance Migrants
Comparing Robins and Hummingbirds

Student Record Sheet

Ruby-Throated Hummingbirds
Spring migration patterns and timing

Main factors that prompt them to migrate * Availability of food
* "Good" weather

(Daylength plays small role.)
* Daylength (photoperiod)

Main winter food


Main breeding season food

How do they know their migration route?    

Ability to survive cold temperatures

Average weekly temperature when they arrive in your neighborhood.    
How many miles per day can they fly?    

How high do they fly?


Possible migration hazards

Other comparisons    

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