WHALES LUNGE FOR LUNCH
نویسندگان
چکیده
منابع مشابه
Kinematics of foraging dives and lunge-feeding in fin whales.
Fin whales are among the largest predators on earth, yet little is known about their foraging behavior at depth. These whales obtain their prey by lunge-feeding, an extraordinary biomechanical event where large amounts of water and prey are engulfed and filtered. This process entails a high energetic cost that effectively decreases dive duration and increases post-dive recovery time. To examine...
متن کاملForaging behavior of humpback whales: kinematic and respiratory patterns suggest a high cost for a lunge.
Lunge feeding in rorqual whales is a drag-based feeding mechanism that is thought to entail a high energetic cost and consequently limit the maximum dive time of these extraordinarily large predators. Although the kinematics of lunge feeding in fin whales supports this hypothesis, it is unclear whether respiratory compensation occurs as a consequence of lunge-feeding activity. We used high-reso...
متن کاملPassive versus active engulfment: verdict from trajectory simulations of lunge-feeding fin whales Balaenoptera physalus.
Lunge-feeding in rorqual whales represents the largest biomechanical event on Earth and one of the most extreme feeding methods among aquatic vertebrates. By accelerating to high speeds and by opening their mouth to large gape angles, these whales generate the water pressure required to expand their mouth around a large volume of prey-laden water. Such large influx is facilitated by highly exte...
متن کاملUnderwater acrobatics by the world's largest predator: 360° rolling manoeuvres by lunge-feeding blue whales.
The extreme body size of blue whales requires a high energy intake and therefore demands efficient foraging strategies. As an obligate lunge feeder on aggregations of small zooplankton, blue whales engulf a large volume of prey-laden water in a single, rapid gulp. The efficiency of this feeding mechanism is strongly dependent on the amount of prey that can be captured during each lunge, yet foo...
متن کاملUnderwater acrobatics by the world’s largest predator: 3608 rolling manoeuvres by lunge-feeding blue whales
Cascadia Research Collective, 218 1/2 West Fourth Avenue, Olympia, WA 98501, USA Duke University Marine Laboratory, 135 Duke Marine Laboratory Road, Beaufort, NC 28516, USA National Geographic, 1145 17th Street NorthWest, Washington, DC 20036, USA Centre for Research into Ecological and Environmental Modelling, University of St Andrews, Fife KY16 9LZ, UK Naval Postgraduate School, Department of...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 2006
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.02192