Summary: | Salida de campo a la finca de La Fraila (Valladolid) durante el 23 de marzo de 1952, de la que se describió la vegetación y se anotaron observaciones sobre las siguientes aves: Alauda arvensis (Alondra común), Athene noctua (Mochuelo europeo), Burhinus oedicnemus (Alcaraván común), Buteo buteo (Busardo ratonero), Calandrella sp. (Terrera), Carduelis cannabina (Pardillo común, llamada Acanthis cannabina por el autor), Carduelis carduelis (Jilguero), Certhia brachydactyla (Agateador común), Ciconia ciconia (Cigüeña blanca), Clamator glandarius (Críalo europeo), Coracias garrulus (Carraca europea), Corvus corone (Corneja negra), Corvus frugilegus (Graja), Corvus monedula (Grajilla, llamada Coloeus por el autor), Cuculus canorus (Cuco común), Cyanopica cooki (Rabilargo, llamado "Charro" y C. cyana por el autor), Emberiza cia (Escribano montesino), Falco naumanni (Cernícalo primilla), Falco tinnunculus (Cernícalo vulgar), Fringilla sp. (Pinzón), Galerida cristata (Cogujada común), Hirundo rustica (Golondrina común), Lanius meridionalis (Alcaudón real, llamado L.excubitor por el autor), Lophophanes cristatus (Herrerillo capuchino, llamado Parus cristarus por el autor), Lullula arborea (Totovía), Melanocorypha calandra (Calandria), Miliaria calandra (Triguero, llamada Emberiza calandra por el autor), Milvus milvus (Milano real), Motacilla alba (Lavandera blanca), Parus major (Carbonero común), Passer sp. (Gorrión), Perdiz (Alectoris sp. o Perdix sp.), Petronia petronia (Gorrión chillón), Phylloscopus trochilus (Mosquitero musical), Pica pica (Urraca), Picus viridis (Pito real), Saxicola sp. (Tarabilla), Serinus serinus (Verdecillo), Strix aluco (Cárabo común), Sturnus unicolor (Estornino negro, llamados "tordillos" por el autor), Tetrax tetrax (Sisón común, llamado Otis tetrax por el autor), Turdus merula (Mirlo común), Turdus philomelos (Zorzal común, T.ericetorum o T.muscicus por el autor) y Upupa epops (Abubilla). Incluye un pequeño mapa de la zona dibujado por el autor. Figuran como colaboradores César Gavilán y Justo, dueño y guarda de la finca de La Fraila, respectivamente. Field trip to La Fraila (Valladolid) during the 23rd of March of 1952, of which there was described the vegetation and there were noted observations about the following birds:, Alauda arvensis (Eurasian Skylark), Athene noctua (Little Owl), Burhinus oedicnemus (Eurasian Thick-Knee), Buteo buteo (Common Buzzard), Calandrella sp. (Lark), Carduelis cannabina (Eurasian Linnet, refered as Acanthis cannabina by the author), Carduelis carduelis (European Goldfinch), Certhia brachydactyla (Short-toed Tree-creeper), Ciconia ciconia (White Stork), Clamator glandarius (Great Spotted Cuckoo), Coracias garrulus (European Roller), Corvus corone (Carrion Crow), Corvus frugilegus (Rook), Corvus monedula (Eurasian Jackdaw, refered as Coloeus by the author), Cuculus canorus (Common Cuckoo), Cyanopica cooki (Azure-winged Magpie, refered as C. cyana by the author), Emberiza cia (Rock Bunting), Falco naumanni (Lesser Kestrel), Falco tinnunculus (Common Kestrel), Fringilla sp. (Chaffinch), Galerida cristata (Crested Lark), Hirundo rustica (Barn Swallow), Lanius meridionalis (Great Grey Shrike, refered as L.excubitor by the author), Lophophanes cristatus (Crested Tit, refered as Parus cristatus by the author), Lullula arborea (Wood Lark), Melanocorypha calandra (Calandria Lark), Miliaria calandra (Corn Bunting, refered as Emberiza calandra by the author), Milvus milvus (Red Kite), Motacilla alba (White Wagtail), Parus major (Great Tit), Passer sp. (Sparrow), Petronia petronia (Rock Sparrow), Phylloscopus trochilus (Willow Warbler), Pica pica (Black-billed Magpie), Picus viridis (Eurasian Green Woodpecker), Saxicola sp. (Stonechat), Serinus serinus (European Serin)Strix aluco (Tawny Owl), Sturnus unicolor (Spotless Starling), Tetrax tetrax (Little Bustard, refered as Otis tetrax by the author), Turdus merula (Eurasian Blackbird)Turdus philomelos (Song Thrush, sometimes refered as T.ericetorum or T.muscicus by the author) and Upupa epops (Eurasia Hoopoe). A little map of the place, drawn by the author, is also included. The contributors of the author, César Gavilan and Justo are, respectively, the owner and the guard of the country house of La Fraila.
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