Eastern Screech-Owl

Megascops asio

The eastern screech owl or eastern screech-owl is a stocky, short-tailed owl that is relatively common in Eastern North America, from Mexico to Canada. Mid-sized for a screech owl, the species resides in most types of woodland habitats across its range and is relatively adaptable to urban and developed areas compared to other owls. Although it often lives in close proximity to humans, the eastern screech owl frequently avoids detection due to its strictly nocturnal habits. Source

Where it is now

In the last 8 weeks this bird was recorded 800,148 times across 41 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 28°C (typically 27 to 31°C, from 26 areas). That holds across 50° of latitude, which suggests its timing follows temperature more than the calendar.

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.