Streaked Flycatcher

Myiodynastes maculatus

The streaked flycatcher is a passerine bird in the family Tyrannidae, the tyrant flycatchers. It is found in Mexico, in every South American country except El Salvador, in Trinidad and Tobago, in every mainland South American country, and as a vagrant to Bonaire. Source

Where it is now

In the last 8 weeks this bird was recorded 67,113 times across 22 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 29°C (typically 28 to 29°C, from 6 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 27°S in March to 7°S in September, about 2,100 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.