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The American goldfinch is a short-distance migrant, moving south in response to colder weather and lessened food supply. According to ornithologist Marc Parnell , this responsive, southerly migratory pattern is thought to begin to occur as daily low temperatures approach freezing, and particularly as these temperatures near 0 °F. [ 20 ]
Mobs of American goldfinches are emptying feeders at a record pace. Most backyard bird watchers acknowledge that they haven't seen anything like it.
A flock of barnacle geese during autumn migration Examples of long-distance bird migration routes. Bird migration is a seasonal movement of birds between breeding and wintering grounds that occurs twice a year. It is typically from north to south or from south to north. Migration is inherently risky, due to predation and mortality.
Red-throated loon, Gavia stellata — rather common, mostly along the coast and at the mouths of major rivers during spring and fall migration; uncommon in winter and at that time found mostly in eastern Long Island Sound; as many as 100 to 200 individuals gather together in November; many go south by early winter. [2] Pacific loon, Gavia ...
Several species of birds have a second, and even a third nesting, while the goldfinches haven’t even begun nesting yet. They will wait until later in the summer to start at a time when the ...
The American goldfinch (Spinus tristis), also known as the “lightning bird”, is a small bird native to much of the United States and southern Canada. These yellow beauties are the state bird ...
The European goldfinch or simply the goldfinch (Carduelis carduelis) is a small passerine bird in the finch family that is native to Europe, North Africa and western and central Asia. It has been introduced to other areas, including Australia, New Zealand, Uruguay and the United States.
CHICAGO — Bird migration is on the rise, and so are window collisions. As temperatures slowly drop in Chicago, 300 millions to 400 million birds are crossing the continent heading south to their ...