Long-billed Gnatwren

Ramphocaenus melanurus

The trilling gnatwren, formerly long-billed gnatwren, is a very small bird in the gnatcatcher family. It found from southeast Mexico south to Ecuador and Amazonia. Source

Where it is now

In the last 8 weeks this bird was recorded 1,552 times across 11 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 22°S in December to 0°N in June, about 2,500 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.