Winter Finch Forecast: Finch Irruption This Winter
Things are looking up for those of us who look forward to winters when boreal finches come south in relatively large numbers in search of food. This is an irruption year for winter finches in the East due to the poor cone and birch seed production in northern Ontario and Quebec. Seed-eating birds such as finches, grosbeaks, redpolls and siskins will be frequenting our feeders.
Even at this early date, Evening Grosbeak sightings are up noticeably. Pine Grosbeaks will be taking advantage of good Mountain-ash berry and cone production in New England. Purple Finch numbers should also be healthy this winter. While Red Crossbills sightings may be scarce, White-winged Crossbills sightings may well be up due to the poor cone crops in the eastern boreal forest. Both Common and Hoary Redpolls should be numerous this winter due to poor crops of birch, alder and conifer seeds further north.
In addition to these finches, large numbers of Blue Jays, Red-breasted Nuthatches and Bohemian Waxwings are predicted due to poor nut, conifer seed and berry crops, respectively, further north. (Ron Pittaway’s Winter Finch Forecast, 2018-2019, http://jeaniron.ca/2018/wff18.htm ) (Photo: Common Redpoll)
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Pine Grosbeaks May Be A Rare Treat This Winter
Several members of the Finch family of birds periodically fly south of their range into southern Canada and the northern U.S. during the winter in search of food. Pine Siskins, Common and Hoary Redpolls, American Goldfinches, Red and White-winged Crossbills, Purple Finches and both Evening and Pine Grosbeaks participate in these irruptions. Whether or not these species extend their range further south in any given year has much to do with their diet and its abundance or lack thereof on their wintering grounds . According to Ron Pittaway’s 2016-2017Finch Forecast (http://ebird.org/content/canada/news/ron-pittaways-winter-finch-forecast-2016-2017/ ), many of these birds will have a difficult time finding natural food sources this winter in Southern Ontario and the Northeast due to poor cone crops. Some may head north or west, where crops are much better.
Even if there were plenty of cones in the Northeast this year and many Canadian seed-eating finches were headed south of their normal range, we might not see large numbers of Pine Grosbeaks. This is due to the fact that the Pine Grosbeak’s diet is not limited to seeds, but includes buds, insects and fruit. Most of these birds are staying north this winter because of an excellent crop of Mountain-ash berries across the boreal forest. They eat these and other fruits by biting through and discarding the pulp and crushing the seed (which gives them a slightly unkempt look). We will see some — there have been several sightings of mostly small flocks of Pine Grosbeaks in New England in the past few weeks, lingering just long enough to consume what European Mountain-ash berries and crabapples they can find. But those of us who see them are very fortunate this year. (Photo: female Pine Grosbeak eating crabapples.)
Thank you to all of you who so kindly wished me well. I’m sure those wishes are what hav me bright-eyed and bushy-tailed once again!
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