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When do California sea lions breed?
Do California sea lions breed in the wild?
When do California sea lions mate?
When do sea lion bulls mate?
When do California sea lions give birth?
What does a California sea lion look like?
California sea lions breed gregariously between May and August, when they arrive at their breeding rookeries. When establishing a territory , the males will try to increase their chances of reproducing by staying on the rookery for as long as possible.
California sea lion bulls establish breeding territories on the beach from May to August. The peak of mating activity is in late June and early July. Galápagos sea lions may mate from May to January. A male with an established territory breeds with an average of 16 females in one season.
- Entanglement
- Biotoxins from Harmful Algal Blooms
- Human-Caused Injuries and Mortalities
One of the main threats to California sea lions is getting caught in fishing gear. They can become entangled in many different gear types, including traps, pots, or gillnets. Once entangled, they may drag and swim with attached gear for long distances, ultimately resulting in fatigue, compromised feeding ability, or severe injury, which may lead to...
Under the right conditions, algae can grow out of control. Some algae “blooms” produce toxins that can kill fish, mammals, and birds, and may sicken or even kill humans in extreme cases. California sea lions are top predators, which means these toxins can build up in their bodies, possibly leading to seizures or death from domoic acid poisoning.
California sea lions are easy to view in the wild, but this puts them at higher risk of human-related injuries and death. Feeding or trying to feed them is harmful and illegal, because it changes their natural behaviors and makes them less wary of people and vessels. They learn to associate humans with an easy meal and change their natural hunting ...
- Mammalia
- Chordata
- Carnivora
California sea lions are gregarious, social animals and gather during the breeding season, preferring sandy beaches for their rookeries. Females gather on the rookeries where they are sociable and noisy but relatively indifferent to the males until they are ready to mate.
The breeding season for this sea lion species occurs from late June to early August, with pups being born between May to June. View this post on Instagram. A post shared by Celia Kujala (@celiakujala) Females are ready to mate again just three to four weeks after giving birth.
California sea lions tend to breed on islands or remote beaches. Zalophus californianus exhibit moderate to extreme polygyny and tend to live in colonies of a few males and many females. Female Z. californianus exhibit mate choice, by "respond[ing] differently to the attempts of various males"(Riedman, 1990).
These sea lions congregate in huge colonies in breeding and birthing areas—the Channel Islands off the coast of central California, islands along the northern Pacific coast of Baja California including Guadalupe Island; islands along the east coast of Baja California; and on beaches in the mid and southern Gulf of California.
