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sterna    
sternum的复数形

sternum的复数形

Sterna
n 1: a genus of Sterninae [synonym: {Sterna}, {genus Sterna}]


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  • Sterna - Wikipedia
    Sterna is a genus of terns in the bird family Laridae The genus used to encompass most "white" terns indiscriminately, but mtDNA sequence comparisons have determined that this arrangement was paraphyletic
  • Sterna - Ask A Biologist
    Always associated with water, this large tern can be seen on river beaches, over lakes and marshes, or along the ocean throughout the world It feeds on fish and crustaceans captured by diving headfirst into the water Breeding colonies are on beaches and grassy hummocks near the water, and the nest is on the sand with some moss or grass
  • Roseate Tern (Sterna dougallii dougallii) | U. S. Fish Wildlife Service
    The roseate tern (Sterna dougallii) is found throughout the world The North Atlantic subspecies, Sterna dougallii dougallii , is divided into two populations in North America because they breed in two discrete areas and rarely mix
  • Tern | Migration, Diet Habitat | Britannica
    tern, any of about 40 species of slender, graceful water birds that constitute the subfamily Sterninae, of the family Laridae, which also includes the gulls Terns inhabit seacoasts and inland waters and are nearly worldwide in distribution The largest number of species is found in the Pacific Ocean
  • Genus: Sterna - eBirdr
    TERNS are slender, gull-like birds with long, narrow, sharply pointed wings, and pointed bills Flight is buoyant with bill pointed downward as they search for small fish or insects Unlike gulls they hover and dive headfirst for fish Also their tails
  • Common Tern Identification - All About Birds
    Common Terns have long, narrow, angular wings and pointed wingtips Unlike gulls, this tern has a straight, slender bill The tail is forked and the legs are short Larger than a Least Tern, smaller than a Caspian Tern Common Terns are pale gray overall with a black cap
  • What does sterna mean? - Definitions. net
    The sterna refers to the plural form of sternum, which is a long, flat bone situated in the middle of the chest, connecting to the rib bones and forming the front part of the rib cage It serves to protect the heart, lungs, and major blood vessels from physical trauma
  • Common tern - Wikipedia
    The common tern[2] (Sterna hirundo) is a seabird in the family Laridae This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America It is strongly migratory, wintering in coastal tropical and subtropical regions
  • Sterna - Wikimedia Commons
    Note: IOC classification 2 3 has moved many Sterna species into the genera Onychoprion, Sternula and Thalasseus IOC link: Sterna Linnaeus, 1758 subcat
  • Common Tern (Sterna hirundo) - COTE - Birds of North America
    Sterna hirundo Information, images and range maps on over 1,000 birds of North America, including sub-species, vagrants, introduced birds and possibilities





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