1(b)). Right whale males have relatively large testes for their body size. Their testes are also enormous in absolute terms, weighing about a metric ton (Brownell and Ralls, 1986). A parentage analysis in the small North Atlantic right whale population, where most individuals can be ...
Snorts... 还会吠叫 And barks. 当座头鲸跳跃的时候 When humpbacks leap, or breach, 看上去好像很轻松 they make it look easy. 其他鲸类 都无法经常跳跃这么高 No other whale leaps so high so often. 我们并不确定 它们这样做的原因 Were not exactly sure why they do it, 但我们很高兴 能看到这...
The observations provide far more questions than answers on humpback whale sexual behavior. "The documented instance of male-male nonreproductive behavior presented here, including the unique case of an apparently injured and ailing whale being penetrated by a seemingly healthy counterpa...
Group Behavior Pod Fun Fact The humpback whale makes complex, beautiful songs with its throat Estimated Population Size 120,000 to 150,000 Biggest Threat Accidents with boats and nets Most Distinctive Feature The small hump on the back Gestation Period 11 months Habitat Oceans close to the shore...
Helena Bay, and the whales eat their way south to Cape Town within four to six weeks, from mid-October to mid-December. So, what we wanted to find off the coast of South Africa were these large collections of humpback whales. The term “super-group” was defined by the whale ...
(1994) Segregation by humpback whale (Megaptera novaeangliae) cows with a calf in coastal habitat near the island of Hawaii. Canadian Journal of Zoology 72: 805-811.Smultea, M. A. (1994). Segregation by humpback whale (Megaptera novaeangliae) cows with a calf in coastal habitat near the ...
and 12 years old70,71, but as early as five years old in the North Atlantic72. If call types are shared by allopatric populations with contrasting behavior across generational time, this would suggest that those call types are fixed and serve an important role in the humpback whale repertoire...
In addition to the lead researchers, Dr. Josie Hubbard, Lisa Walker, and Jodi Frediani, who specialize in animal intelligence, humpback whale song analysis, and photography and behavior ofhumpback whales, respectively, are also coauthors of the paper. ...
In the Southwest Atlantic Ocean the wintering breeding ground of Megaptera novaeangliae is located in northeastern coast of Brazil, mainly in the Abrolhos Bank (16°55′ S, 38°50′ W) and its surroundings. During migratory percussion, events of strandin
individual ID from the collaborator’s naming/numbering system, observer names, vessel name, observed whale sex, age class, health, behavior, group composition and any further observations. Because the state of every dataset varied at the time of delivery, all data were managed through the followi...