Breeding Canada South America United States 
10,000 Birds
DECEMBER 18, 2014
One of the two sub-species of Red Knot occurring in North America, the Rufa subspecies breeds in the Canadian Artic Region and migrates along the east or Atlantic coast of the United States. Red Knot in non-breeding plumage. migration corridors from Argentina in the Southern tip of South America to Canada.
10,000 Birds
FEBRUARY 23, 2022
The Olive-sided Flycatcher breeds in Canada and the western United States, and winters mostly in northern South America. But previous experience with Ejido Triquillo taught me that another species might turn up during the spring. They may even fear you.
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10,000 Birds
MAY 7, 2024
Sixteen species that have been recorded in the United States are covered: six Myiarchus flycatchers and ten Kingbird ( Tyrannus ) flycatchers. There is also a section on Hybrids. The spectrograms are much easier to read in this volume, larger and darker.
10,000 Birds
MAY 15, 2011
Right now great flocks of wood-warblers are making their way north from the southern United States, Mexico, the Caribbean, Central and South America to breed across the United States and Canada.
10,000 Birds
MAY 7, 2011
Right now great flocks of wood-warblers are making their way north from the southern United States, Mexico, the Caribbean, Central and South America to breed across the United States and Canada.
10,000 Birds
OCTOBER 10, 2011
The Tennessee Warbler is a poster child for the boreal forests of Canada and the far northern United States. Its population actually fluctuates in response to the availability of Spruce Budworm and though it nests on the ground it is entirely inseparable from the forests of the north during breeding season.
10,000 Birds
MAY 8, 2011
It breeds across Canada’s boreal forest and most winter in the Caribbean, though some spend the cold months in Central America. Right now great flocks of wood-warblers are making their way north from the southern United States, Mexico, the Caribbean, Central and South America to breed across the United States and Canada.
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