Crimson-backed Tanager

Ramphocelus dimidiatus

Crimson-backed Tanager (Ramphocelus dimidiatus)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

The crimson-backed tanager is a species of bird in the family Thraupidae, the tanagers and allies. It is native to Colombia, Panama, and Venezuela and has an introduced population in French Polynesia. A local name in Panama is sangre de toro. Source

Where it is now

In the last 8 weeks this bird was recorded 2,671 times across 4 areas (each area is a 5 degree square).

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Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

RegionFirst arrivalLast arrivalTypical peakAreas
South America18 May 202618 May 20266 July 20261

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.