- Provides a simpler approach to gull identification
- Features a wealth of color photos for easy comparison among species
- Includes detailed captions that explain identification criteria and aging, with direct visual reinforcement above the captions
- Combines plumage details with a focus on size, body shape, and structural features for easy identification in the field
- Highlights important field marks and physical features for each gull
Dieser Download kann aus rechtlichen Gründen nur mit Rechnungsadresse in A, D ausgeliefert werden.