| Robins are also arriving earlier than ever in the Northern United States and in Canada. Those early birds might get the worm! Why? They don't travel very far away in the winter. As weather improves, they wander backnorth. So in a warming climate, early spring robins could find food and nesting spots before birds that have to migrate back from much farther south. This
warbler is a "long-distance migrant." It uses day length
as a cue to migrate. Such birds usually arrive on breeding
grounds later than robins do.
Henry Domke
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