The curious and resourceful Canada Jay is emblematic of Canada's northern and montane forests. It is a masterful food-finder, and survives the harsh winter by caching fruit, insects, and even dead rodents to eat when the weather turns cold. These stores are used to feed the chicks, too, and the jay can begin nesting long before the onset of spring.
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Canada Jay
The Canada Jay (formerly known as the Gray Jay) is a year-round resident of Canada's boreal and alpine forests. There are approximately 22 million individuals in Canada, which represents 82% of the global population and a very high degree of Canadian responsibility. The national population of Canada Jay has changed little since 1970 according to the Breeding Bird Survey (BBS). However, confidence in this assessment is low because the BBS provides limited coverage of the breeding range, and the Christmas Bird Count suggests a large decrease over the same time period. The national population of Canada Jay is within its goal range, although it appears on the verge of dropping below it if current trends continue.
The range of Canada Jay is not well covered by either the Breeding Bird Survey (BBS) or the Christmas Bird Count (CBC), but they are still the best available data sources for this species in Canada. The BBS is considered more reliable because of its systematic design, and trends gleaned from its data are more precise. The national trend from the BBS shows a loss of 22% since 1970. This falls within the category of little change, but there has been a steady decline since around 2000, and if it continues the population would cross the threshold to a moderate decrease within the next few years. Notably, the decline in the Maritimes is much more severe with a loss of 55% since 1970.
The Canadian CBC trend for Canada Jay is quite different, showing a decline of 75% since 1970. This may be biased by a northward shift in the jay's range brought on by climate change, which has moved the birds away from southern CBC areas where they were formerly detected. Nonetheless, it supports the likelihood that the long-term trend in the national population is negative.
The goal for Canada Jay is to maintain its population at or above the level it was at in the early 1970s, based on the Breeding Bird Survey. Recent data show that the population is within its goal range.
| Designation | Geographic Area | Status | CITATION |
|---|---|---|---|
| IUCN | Global | Least Concern | |
| Wild Species | Canada | Secure |
The curious and resourceful Canada Jay is emblematic of Canada's northern and montane forests. It is a masterful food-finder, and survives the harsh winter by caching fruit, insects, and even dead rodents to eat when the weather turns cold. These stores are used to feed the chicks, too, and the jay can begin nesting long before the onset of spring.
Canada Jay is reported nearly uniformly throughout the year in Canada, with a slight dip in the spring possibly representing more reclusive behaviour during the breeding season.