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Posts Tagged "irruption"

Extremely abundant common sparrows

Posted on Nov 9, 2014

Extremely abundant common sparrows

This Dark-eyed Junco can be seen chowing down on a seed while nearly 200 more of its friends were doing the same nearby. I cannot recall a time where I have seen a greater sustained abundance, perhaps for the last three or four weeks, of a few common sparrow species spread across the region. There have been huge flocks of Song Sparrows, Dark-eyed Juncos, and White-throated Sparrows seemingly everywhere in appropriate habitat. Have you noticed the same? Maybe they had a very productive nesting year and perhaps they are also irrupting due to a lack of food in the north. Thankfully there is no...

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Pine Siskin (Spinus pinus) invasion

Posted on Nov 1, 2014

Pine Siskin (Spinus pinus) invasion

A Pine Siskin (Spinus pinus) invasion is underway with birds expanding across a sizable swath of the United States. On some conducive flight mornings it is hard to go outside without seeing or hearing some flying south! Have your feeders been swamped with hungry new arrivals? If you do not have them yet you may soon.

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Common Redpoll (Acanthis flammea)

Posted on Oct 30, 2014

Common Redpoll (Acanthis flammea)

One irruptive bird species we can anticipate seeing many more of soon is the Common Redpoll (Acanthis flammea). Ron Pittaway’s 2014-15 winter finch forecast projected the species to make a “moderate to good flight” this fall and winter due to “variably poor to average” birch seed crops in the boreal forest. It can often take until December to really see them on the move but the forecast is already coming true in northern areas of the U.S. Get your thistle feeders ready now! Scott Kruitbosch Conservation & Outreach Coordinator

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Red-breasted Nuthatch enjoying pine cones

Posted on Oct 29, 2014

Red-breasted Nuthatch enjoying pine cones

On the same day that I posted about not seeing many Red-breasted Nuthatches this autumn I went out and immediately saw a Red-breasted Nuthatch. Such is life! I do not need to file a retraction in this case because my overall point remains valid. The species is a resident in many parts of New York and the Northeast but these tiny bundles of joy are found much more frequently in the fall and winter during irruption years where birds move south and often visit bird feeders for the duration of their stay. There are always a number of Red-breasted Nuthatches that migrate to southern quarters....

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Red-breasted Nuthatch (Sitta canadensis)

Posted on Oct 27, 2014

Red-breasted Nuthatch (Sitta canadensis)

Have you seen any more Red-breasted Nuthatches than usual at your feeders or in your area? I have not seen many as of yet this fall, and this photo is from a previous winter. It seems unlikely that we will have more than average in many places in the Northeast this autumn and winter, and we will be without an irruption. During some of their major movements there are often birds heading south middle of the summer, even July, with the returning earliest warblers. Scott Kruitbosch Conservation & Outreach Coordinator

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