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 Date: 2012-12-21 12:22:05Birds of Western Australia Brown-headed Cowbird Chipping Sparrow Song Sparrow Pectoral Sandpiper Savannah Sparrow Eurasian Tree Sparrow Rose-breasted Grosbeak Upland Sandpiper Passerida Zoology Ornithology |
| A male rose-breasted grosbeak and male northern cardinal argue over food.DocID: 1sLOe - View Document |
| The Auk 129(2):222−230, 2012 © The American Ornithologists’ Union, 2012. Printed in USA. FEATHER GROWTH RATE AND MASS IN NEARCTIC PASSERINES WITH VARIABLE MIGRATORY BEHAVIOR AND MOLT PATTERNDocID: 1qO8N - View Document |
| (Draft) Migration Monitoring at Tommy Thompson Park:DocID: 1pLJt - View Document |
| BIRDS OF THE OAK RIDGE RESERVATIONa COMMON NAME LOONS Common Loon GREBES Pied-billed GrebeDocID: 1pcp1 - View Document |
| Huitzil. Revista Mexicana de Ornitología ISSN: Sociedad para el Estudio y Conservación de las Aves en México A.C. MéxicoDocID: 1oGTp - View Document |