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Wedge-tailed

wedge-tailed

(Science: ornithology, zoology) Having a tail which has the middle pair of feathers longest, the rest successively and decidedly shorter, and all more or less attenuate; said of certain birds. Wedge-tailed eagle, an Australian eagle (aquila audax) which feeds on various small species of kangaroos, and on lambs; called also mountain eagle, bold eagle, and eagle hawk. Wedge-tailed gull, an arctic gull (Rhodostethia rosea) in which the plumage is tinged with rose; called also Ross's gull.


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interesting cat

... has large, rounded, wide-set eyes that are a vivid green. The head is sometimes described as cobra-like which aptly describes the broad, medium wedge and flat profiles. The large, pointed ears are wide at the base and set rakishly toward the side of the head. The body of the Russian Blue is ...

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by Miyis
Sun Jan 28, 2007 6:54 am
 
Forum: Zoology Discussion
Topic: interesting cat
Replies: 11
Views: 2573

Re: evolution - in the details

... and fast-track evolution. This fish w/anti-freeze is actually simpler. Gould calls this the wheel of fortune which interacts which Darwin's 'wedge'. Species compete for space in an overcrowded environment by wedging out others. However during periods of mass-extinction due to changes in the ...

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by weesper
Wed Aug 23, 2006 7:07 am
 
Forum: Evolution
Topic: evolution - in the details
Replies: 19
Views: 3420

Tyrannosaurus sex et alia topics

... And like ornithomimosaurids, tyrannosaurids also have what is called an arctometatarsus. An arctometatarsus is where metatarsal III forms a wedge distally, but pinches out proximally. This feature is unique and found in some ornithomimosaurs, deinonychosaurs, alvareszaurids, and oviraptorosaurs. ...

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by Kiezel
Tue Aug 15, 2006 12:16 am
 
Forum: Zoology Discussion
Topic: Tyrannosaurus sex et alia topics
Replies: 6
Views: 2664


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