Long-tailed Tyrant

Colonia colonus

The long-tailed tyrant is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Central America from Honduras to Panama and in every mainland South American country except Chile and Uruguay. Source

Where it is now

In the last 8 weeks this bird was recorded 32 times across 6 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 8°S in March to 8°N in February, about 1,700 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.