Yellow-bellied Elaenia

Elaenia flavogaster

The yellow-bellied elaenia is a small bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Mexico, in every Central American country, in every mainland South American country except Chile, on Trinidad and Tobago, and on several islands in the Lesser Antilles. Source

Where it is now

In the last 8 weeks this bird was recorded 21,778 times across 15 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in South America ranged from 2°S in January to 7°N in June, about 900 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.