Pied-billed Grebe

Podilymbus podiceps

The pied-billed grebe is a species of the grebe family of water birds primarily found in ponds throughout the Americas. Source

Where it is now

In the last 8 weeks this bird was recorded 5,278 times across 60 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 27°C (typically 14 to 28°C, from 15 areas). That range is wide, so temperature alone does not explain when it turns up.

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.