Order: Charadriiformes 
Family: Charadridae
Pluvialis squatarola
Grey Plover



Size: 26-29 cm
Habitat
They live in wetlands, marshes, coastal areas, salty lakes, salty lagoons, beaches, estuaries, lagoons and mud-flats near the shore. They have a considerably different plumage in winter than in summer.
They feed on molluscs, crustaceans, and invertebrates in general which they find in the muddy-banks and areas covered in slime. 
It is not an abundant species and they are difficult to be seen. Although they spend the whole year in the Spanish Peninsula, they are more abundant in the migratory corridors.
They favor muddy, slimy spaces.