Noun
otariid (plural otariids)
(mammology) Any member of the Otariidae, the eared seals
Adult male California sea lions play no role in raising pups, but they do take more interest in them than adult males of other otariid species; they have even been observed to help shield swimming pups from predators. Source: Internet
In otariid species like the South American and Australian sea lions, non-territorial subadults form "gangs" and cause chaos within the breeding rookeries to increase their chances of mating with females. Source: Internet