Observaciones ornitológicas realizadas en la provincia de Valladolid a 1 y 2 de agosto de 1952, sobre las siguientes especies: Acrocephalus sp. (Carricero), Ardea cinerea (Garza real), Chlidonias sp. (Fumarel), Corvus corone (Corneja negra), Crex crex (Guión de codornices), Gallinula chloropus (Gallineta común), Podiceps cristatus (Somormujo lavanco), Pterocles sp. (Ganga), Streptopelia sp. (Tórtola) and Tringa ochropus (Andarríos grande).
Ornithological observations carried out in the province of Valladolid the 1st and 2nd of August of 1952, about the following species: Acrocephalus sp. (Reed-warbler), Ardea cinerea (Grey Heron), Chlidonias sp. (Tern), Corvus corone (Carrion Crow), Crex crex (Corncrane), Gallinula chloropus (Common Moorhen), Podiceps cristatus (Great Crested Grebe), Pterocles sp. (Sandgrouse), Streptopelia sp. (Turtle-dove) and Tringa ochropus (Green Sandpiper).
