We present the current available knowledge about sexual behavior and mating systems in the killer whale, Orcinus orca, focusing primarily on the most well-studied ecotype, the Residents of the eastern North Pacific. Resident killer whales display lifetim
Family Delphinidae Genus Orcinus Scientific Name Orcinus orca Read our Complete Guide to Classification of Animals. Killer Whale Conservation Status Data Deficient Killer Whale Locations OceanKiller Whale Facts Main Prey Seal, Fish, Squid Group Behavior Pod Fun Fact An adult orca eats up to 300 pound...
The killer whale as a species is not considered endangered. The killer whale was largely spared from whaling . However, individual populations are threatened by pollution. The killer whale’s cultural significance ranges from traditional veneration by North American Indians to today’s controversial dol...
Although the killer whale is currently recognized as one species, there is a tremendous variation in lifestyle among the population. Some whale pods are permanent residents in their territory.Resident pods have strong family bonds that are matrilineal in form, meaning a females offspring remain with...
Their only enemy is human beings. Orcas live in small, close-knit, life-long pods and have 1 blowhole. The killer whale belongs to the family of dolphins and is the biggest dolphin. It is sometimes called the "wolf of the sea" because its behavior is similar to that of wolves. ...
In systematics, this problem usually is solved by creating several levels of categories, such as class, order, family, genus and species. In the existing killer whale discrete call classification, only two levels occur鈥攃all type and call subtype. In this paper we describe structural categories...
classification and localization framework for passive killer whale (Orcinus orca) acoustic monitoring that is embedded into PAMGuard, a widely used bioacoustic software toolkit. ORCA-SPY enables array- and position-specific multichannel audio stream generation to simulate real-world ground truth killer wh...
The ability to sleep with half of the brain is known as unihemispheric slow-wave sleep. In this form of sleep, the animal sleeps with half of the brain and keeps the other half conscious. During unihemispheric slow-wave sleep, the whale also closes the eye on the side opposite the side...
(2) theLong-Tailregion—visualizing a significantly larger number of killer whale individuals, however, with considerably less occurrences. For the purpose of this pilot study, the top-100 most commonly occurring killer whale individuals were selected for supervised classification and as boundary ...
herpesvirus; cetacean gammaherpesvirus; narrow-ridged finless porpoise; false killer whale1. Introduction Herpesviruses are widespread, characterized by large double-stranded DNA, and belong to the Herpesviridae family [1,2,3,4]. More than 130 herpesviruses have been identified, some of which have ...