1.Any of various New World birds of the family Icteridae, such as the grackle or red-winged blackbird, the male of which has black or predominantly black plumage. 2.A Eurasian and African songbird(Turdus merula),the male of which is black with a yellow bill. Also calledmerle1,ouzel. ...
根据第一段中的Passenger pigeonswere the most common birds in all of North America in the 1800s. It was common to see large groups of passenger pigeons—groups that made a sound like a storm可知,19世纪时的旅鸽数目众多,故选A。 根据第二段中的The process of de-extinction is not easy以及接...
sea swallow- common tern of Eurasia and America having white black and grey plumage Sterna hirundo tern- small slender gull having narrow wings and a forked tail genus Sterna,Sterna- a genus of Sterninae Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Far...
根据第一段中的Passengerpigeons (旅鸽) werethemostcommonbirdsinallofNorthAmericainthe 1800s.It wascommontoseelargegroupsofpassengerpigeons - - groupsthatmade a soundlike a storm.(旅鸽是19世纪整个北美最常见的鸟类,常见的是成群的客鸽,它们发出的声音像暴风雨。)可知,19世纪时的旅鸽数目众多。故选A。
The first, Another Field Guide to Little Known and Seldom Seen Birds of North America, is divided into three parts. The opening section provides the novice birder with useful illustrations of habitat type (i.e., twigs, water, ground, and air) and ...
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根据第一段中的Pa ssenger pigeons were the most common birds i n all of North America in the 1800s. It wa s common to see large groups of passenger pi geons - group that made a sound like a stor m.(旅鸽是19世纪北美最常见的鸟类。 经常能看 到一大群候鸽,它们发出暴风雨般的叫声。 )...
Type: Birds Diet: Omnivore Average Life Span: 10 to 20 months Size: 21 to 36 inches Weight: 2.9 pounds Size relative to a 6-ft man: IUCN Red List Status: ? Least concern LC NT VU EN CR EW EX Least Concern Extinct Current Population Trend: Decreasing Common pheasants, also known...
根据文章第一段“Passenger pigeons were the most common birds in all of North America in the 1800s. It was common to see large groups of passenger pigeons-group that made a sound like a storm."(旅鸽是19世纪整 个北美最常见的鸟类。 经常可以看到大群的旅鸽 一一它们发出像暴风雨一样的声音。
IanNewton, inThe Migration Ecology of Birds, 2007 Sex differences in natal dispersal In some bird species, both sexes show similar dispersal distances, but in many others one sex moves further than the other, at least as a general tendency. The commonest pattern is for young females to disper...