BirdGuidesさんのイラストまとめ

Due to be published end of May, this is a comprehensive guide to the world’s 435 species of seabirds. It covers all known seabirds, beginning with seaducks and grebes and ending with cormorants and pelicans. 

Take advantage of our pre-order offer here: https://t.co/AIqhWzWZBh

Head over to the @BirdwatchExtra Facebook page for your chance to win a copy of Arthur Singer: the Wildlife Art of an American Master (worth £60): https://t.co/gtFMlsxhUu

Know your penguins!
#penguinawarenessday (via @penguins)