Pale-breasted Thrush

Turdus leucomelas

The pale-breasted thrush is a species of bird in the family Turdidae. It is found in every mainland South American country except Chile and Ecuador. Source

Where it is now

In the last 8 weeks this bird was recorded 128,375 times across 18 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 30°C (typically 29 to 30°C, from 8 areas). That holds across 40° of latitude, which suggests its timing follows temperature more than the calendar.

Over the weeks it was present in the past year, its centre in South America ranged from 21°S in December to 0°S in February, about 2,300 km apart.

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.

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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.