نتایج جستجو برای: قرنفلdianthus barbatus

تعداد نتایج: 544  

Journal: :The Journal of experimental biology 2008
Christopher D Marshall Kit M Kovacs Christian Lydersen

Feeding kinematics, suction and hydraulic jetting capabilities of bearded seals (Erignathus barbatus) were characterized during controlled feeding trials. Feeding trials were conducted both on land and in water, and allowed a choice between suction and biting, but food was also presented that could be ingested by suction alone. Four feeding phases, preparatory, jaw opening, hyoid depression and...

2018
Michael F Cameron Kathryn J Frost Jay M Ver Hoef Greg A Breed Alex V Whiting John Goodwin Peter L Boveng

The first year of life is typically the most critical to a pinniped's survival, especially for Arctic phocids which are weaned at only a few weeks of age and left to locate and capture prey on their own. Their seasonal movements and habitat selection are therefore important factors in their survival. During a cooperative effort between scientists and subsistence hunters in October 2004, 2005, a...

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