NDFF Butterfly Data

Study Extent

Data consists of single observations throughout Europe

Sampling

Visual identification of a single or group of butterflies.

Quality Control

Data was checked against known distributions and flight times of species. Non-European data and datapoint not above land are excluded.

Method steps

1. Butterfly observations by experts and volunteers.

Butterfly observation, all identified at species level.

1. Lepidoptera
   common name: Butterflies rank: order

European butterfly observations