Drawing on detailed data from their 16-year study of red-winged blackbirds in the marshes of Washington's Columbia National Wildlife Refuge, Les Beletsky and Gordon Orians analyze the information redwings use to make breeding-season decisions and the consequences these decisions have for lifetime...
Red-winged Blackbird(Agelaius phoeniceus) Male (click on photos for full sized images) This time of year,Red-winged Blackbirdsare gathering on nesting grounds in wetlands but also in uplands and agricultural habitats. In about six to eight weeks, depending on your location, you may see females ...
Drawing on detailed data from their sixteen-year study of red-winged blackbirds in the marshes of Washington's Columbia National Wildlife Refuge, Beletsky and Orians analyze the information redwings use to make breeding-season decisions and the consequences these deci...
上周五晚上10时,小镇天空有几千只美洲红翼鸫(red-winged blackbirds)从天而降。屋顶、道路、前庭、后院到处都是死鸟, …www.tianya.cn|基于2个网页 2. 只红翅黑鸟 到处都是黑色的死鸟。据当地部门统计,大约有5000只红翅黑鸟(red-winged blackbirds)从天而坠绵延一英里。blog.sina.com.cn|基于1 个网页©...
Acceptance of simulated cowbird parasitism in a northern population of red-winged blackbirds Meadowlark, Eagle, Killdeer, Horned Lark, Red-winged Blackbird and Duck Migration Seasons accelerate the appearance of spring as Steelhead and Walleye Fishing Seasons gradually unfold in the Great Lakes. Poor ...
The stated purposes of this book were to use Red-winged Blackbirds to test hypotheses about the evolution of polygyny, and to study how polygyny, acting through sexual selection, affects other aspects of redwing biology. Polygyny and Sexual Selection in Red-Winged Blackbirds ...
all galleries >> Photos by Subject >> Birds Gallery >> Birds by Location >> Birds of Ontario >> Red-winged Blackbirds of Ontario tree view | thumbnails | slideshow Red-winged Blackbirds of Ontario Red-winged Blackbirds (Agelaius phoeniceus) click...
What is NOT the probable reason why the dead red-winged blackbirds fell from the sky?A. Internal hemorrhageB. FireworksC. Lightning weatherD. Murder 相关知识点: 试题来源: 解析 D 题目针对红翅黑鹂从空中死亡坠落事件,要求选出**非可能原因**。逐项分析如下:**A. Internal hemorrhage(内出血)** ...
Red-Winged Blackbirds ~ Seattle Audubon Society Have you Spotted Birds inOkanogan Country? Send us your pictures and tell us a little bit about your experience ~ your bird might just be next week's pick! Share Your Photos! Order a Hiking Guide and View Our Wildlife All Year Long. ...
【题目】T housands of dead red-winged blackbirds fell from th e sky in anArkansas town on New Yea r's Ev e after massiv e injuries, tests by Arka sasofficials concluded on Monday. Som e 5,000birds mysteriously fell from th e skyin Beebe Arkansas after dark on New Year's Eve. "T...