The Hoary Redpoll has many adaptations for surviving harsh Arctic winters, such as dense feathers and pouches in their throats where they can store extra food temporarily. Over the long, cold winter nights, this extra food is digested to fuel the bird until morning.
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Hoary Redpoll
The Hoary Redpoll is difficult to monitor because the species breeds in far northern Canada and winters primarily throughout remote parts of the Boreal forest. Movements farther south in winter occur primarily when seed crops are poor in the north. There are approximately 13 million individuals in Canada, which represents 46% of the global population and a moderate level of responsibility for Canada. An additional 1.5 million individuals breed in Alaska, most of which spend at least some time migrating to or through Canada, and boosting the proportion of the global total to 54%, which is considered high. The Canadian population of Hoary Redpoll has shown little change relative to 1970 based on the Christmas Bird Count, but confidence is low because of limited survey coverage. The national population of Hoary Redpoll is within its goal range.
In July 2024, the American Ornithological Society determined that Common Redpoll and Hoary Redpoll should be treated as a single species, Redpoll. This species account will be revised once analyses of combined data are available.
The best source of information on the population status of Hoary Redpoll is the continental Christmas Bird Count (CBC), although coverage by the CBC is low in the main regions inhabited by this species, and data are mainly from more southern regions that are used only variably depending on food availability in the north. CBC data indicate a long-term trend of little change in abundance since the early 1970s, with considerable variation likely related to the proportion of the population shifting south in the winter.
The goal for Hoary Redpoll is to maintain its population at or above the level it was at in the early 1970s, based on the Christmas Bird Count. Recent data show that the population is within its goal range.
| Designation | Geographic Area | Status | CITATION |
|---|---|---|---|
| IUCN | Global | Least Concern |
The Hoary Redpoll has many adaptations for surviving harsh Arctic winters, such as dense feathers and pouches in their throats where they can store extra food temporarily. Over the long, cold winter nights, this extra food is digested to fuel the bird until morning.
Hoary Redpoll is primarily reported between October and April in Canada. Limited observations in summer likely reflect the bird's far northern breeding range.