Half Hardy
10,000 Birds
MARCH 10, 2011
The vast majority of Baltimore Orioles that breed in North America return to the tropics between Mexico and northern South America for the cold half of the year. A trip to the coastal plain may net you up to seven species of warblers, from the omnipresent Yellow-rumps to Chats and Cape Mays. But how does the apply to Orioles?
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