White-winged Becard

Pachyramphus polychopterus

The white-winged becard is a species of bird in the family Tityridae, the tityras, becards, and allies. It is found in every Central American country except El Salvador, on Trinidad and Tobago, and in every mainland South American country except Chile. Source

Where it is now

In the last 8 weeks this bird was recorded 3,727 times across 16 areas (each area is a 5 degree square).

See the White-winged Becard on the live map

Movement and weather

Each season it is first heard regularly where daytime highs are around 29°C (typically 29 to 30°C, from 5 areas). That holds across 35° 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 October to 3°N in June, about 2,600 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.

Download every area as CSV

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.