A comprehensive photographic guide to the gull species of the Western Palearctic
Gulls occupy a particularly important place in the world of birds. But because they are notoriously difficult to iden……続きを見る
While strolling through a piece of woodland, or perhaps along the marsh or seashore, we see a bird, a strange birdーone we never saw before. Instantly, our curiosity is aroused, and the question ari……続きを見る
