Brown Hawker

Aeshna grandis

The brown hawker is a species of large Palearctic dragonfly belonging to the family Aeshnidae, the hawkers. This species is found in Europe and temperate Asia, except the far east of Asia. Source

Where it is now

In the last 8 weeks this insect was recorded 58 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 Europe ranged from 54°N in June to 65°N in July, about 1,200 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.