Results 101 to 110 of about 2,621 (208)

第十六讲 鳍脚目——海豹 海象 海狗 (海狮) 简介

open access: yes野生动物学报, 1985
鳍脚目 (Pinnipedia)字源来自拉丁文:Pinna或Penna是翼或羽毛的意思。它们主要吃鱼,也吃软体动物或甲壳动物,皆为荤食。某些以渔业为主要国民经济收入的国家,认为它们是发展渔业的大敌,被当地渔民视为所谓的“害兽”,而滥加捕杀,以致近年来鳍脚目的兽类数量锐减。国际上已将它们列为保护对象,而加以重点保护。我国没有海象,但江苏省吕四港曾发现过北海狮(北海狗) (Eumetcpias jubataSchreber);山东省青岛附近的即墨县发现过海狗(Callorhinus ursinus ...
马建章, 罗泽珣
doaj  

Comparative genomics provides insights into the aquatic adaptations of mammals. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Yuan Y   +40 more
europepmc   +1 more source

Neonatal growth of Steller sea lion (Eumetopias jubatus) pups in Alaska [PDF]

open access: yes, 2005
The growth rate of Steller sea lion (Eumetopias jubatus) pups was studied in southeast Alaska, the Gulf of Alaska, and the Aleutian Islands during the first six weeks after birth.
Brandon, Elisif A. A.   +3 more
core  

Note on the occurrence of the crebeater seal, Lobodon carcinophagus (Hombron & Jacquinot, 1842) (Mammalia: Pinnipedia), in Rio de Janeiro State, Brazil [PDF]

open access: yesBiotemas, 2005
On May 12, 2003, a crabeater seal (Lobodon carcinophagus) was seen 3km upstream of the mouth of the Cação River (22º54’S; 43º50’W), southern Rio de Janeiro State. It was a female of 212cm in length, weighing approximately 180kg. A week prior (May 5), the
Samuel Gomes de Farias Júnior   +3 more
doaj  

Detection of squamous cell carcinoma of presumed pancreatic origin and its metastasis in a spotted seal (Phoca largha) using ultrasonography and computed tomography. [PDF]

open access: yesJ Vet Med Sci, 2022
Tsuka T   +10 more
europepmc   +1 more source

Long-term remote monitoring of the rookery of Eumetopias jubatus (Pinnipedia, Otariidae) on Matykil Island in the Magadan State Nature Reserve (Russia)

open access: yesNature Conservation Research: Заповедная наука
The severe decline in the number of Eumetopias jubatus (hereinafter – Steller sea lion) almost throughout the entire range has drawn the public attention to monitor the abundance and increase in research activity of the species.
Anna D. Kirillova   +2 more
doaj   +1 more source

The microbiome of large marine vertebrates [PDF]

open access: yes, 2019
Veliki morski kralježnjaci iznimno su vaţni stanovnici oceanskih ekosustava, a mogu biti domaćini velikom broju mikroorganizama. Sve više istraživanja pokazuje da je mikrobiom, skup svih gena zajednice mikroorganizama, od velike evolucijske vaţnosti za ...
Mihaljević, Mihaela
core  

Dentes supranumerários em Necromys lasiurus (Rodentia, Cricetidae): primeiro registro em Sigmodontinae [PDF]

open access: yes, 2014
There are several kinds of anomalies related to the teeth reported in mammals, and one of them is known as supernumerary teeth and is commonly noticed in the literature, being reported in nearly all orders of mammals.
Reis Percequillo, Alexandre   +1 more
core  

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