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Semi-Aquatic Mammals

Species of amphibious mammal, that are adapted for living both in water and on land.

239 Questions

What is the main producer of the upper layers of the ocean?

Phytoplankton are the autotrophs that are the main producers for the upper layers of the ocean.

This is because the upper layers of the ocean provide the most sunlight, which is what phytoplankton need in order to perform photosynthesis.

What is being done to protect sea otters from dying?

The Sea Otter is protected under the federal Species at Risk Act (SARA). More information about SARA, including how it protects individual species, is available in the Species at Risk Act: A Guide.

The Sea Otter is protected by the Marine Mammal Regulations in the federal Fisheries Act. These regulations make it an offence to kill, harm, or harass marine mammals. It occurs in Pacific Rim National Park Reserve, where it is protected by the Canada National Parks Act. The species is listed as Threatened under the British Columbia Wildlife Act. Under this Act, it is prohibited to kill, capture, harass, or trade this species, or to destroy its habitat.

Why does a platypus store fat inside of its tail?

Platypuses do not always have a big tail. The size of a platypus's tail is a indication of how healthy it is, and how much food has been available. A platypus stores most of its body fat in its tail to help it survive when food is limited, and to prepare for when the female must incubate her eggs and care for the young when they hatch.

The tail is also useful for other purposes, and needs to be a good size in order to perform these functions. During the breeding season, the female digs herself a chamber within her deep burrow, and this chamber is lined with leaves and other nesting material. The female with carry this nesting material rolled underneath her tail as she climbs up and down steep riverbanks. In addition, the tail of a platypus helps the animal to swim and acts as a rudder when it dives.

Where do River Otters sleep?

River otters sleep in their holt's (dens), which can be found under tree roots along river banks or in dense undergrowth adjacent to rivers. Natural holt's are becoming pretty rare nowadays, due to the removal of old riverbank trees; however conservation groups are providing artificial holt's in strategic places to allow their natural habitat to recover. Otters may have several holt's a long the river bank, which provide shelter when out feeding and patrolling their territories.

How much room does a platypus need to survive?

Platypuses which are kept in carefully maintained sanctuaries, in environments which emulate their natural habitat, and able to survive in areas smaller than a standard room. In the wild, of course, their range is much wider.

Are river otters omnivores?

Yes, river otters are considered omnivores. They eat mainly aquatic plantation, but they also frequently eat shellfish they come across.

How long does it take a beaver to give birth?

Gestation lasts about three months and females have one litter of kits a year between April and June.

Body Parts of a Sea Otter?

Adult sea lion- Ears, dark eyes, closable nostrils, pointed snout, sensory whiskers (vibrissae) and wing-like foreflippers. The adult sea lion has thick, short fur which is brown to buff coloured.

Baby sea lion- Sensory whiskers (vibrissae), dark eyes, closable nostrils and a pointed snout. Baby sea lions are dark grey to light brown in colour.

*I got this information from the Singapore Zoological Gardens when I visited that place. To confirm my answer, I checked the Singapore Zoological website and also asked my teacher:)

What are the ways otters reproduce?

The male sea otter can have as many as fifteen females in his region at a time. When otters mate, it can be a very violent, sometimes causing the female scarring. Now imagine David Attenbergh saying that.

What are the three species of monotremes?

There are just three species of monotreme: the platypus, the short-beaked echidna and the long-beaked echidna. Of the three species, the long-beaked echidna is the largest.

Are sea otters ectothermic?

A porcupine is endothermic, able to maintain its own body temperature. It is a mammal, and mammals and birds are endothermic. The term 'endothermic' is the biological term for an animal that is warm-blooded.

What are facts about the ringed tail possum?

Behavioural adaptations of a ringtail possum include:

  • They nest in hollows in trees, enabling them to stay clear of predators
  • When habitat is cleared, they adapt quickly and easily, moving into the roof space in houses, or any other available space such as dog kennels or fireplaces
  • Possums are nocturnal, which means they feed at night
  • Although social animals, possums are intensely territorial, defending their territory with loud screeches and hisses, and sometimes fighting
  • Also, they carry out coprophagy - Ringtail possums consume their own faeces which helps it reabsorb the same nutrients once again.

How much does a chincoteague pony usually go for at pony penning days?

== == Well, the normal range of foals can be from $450-$900. Yes, there will be prices lower and prices higher. The reason why I didnt say $10,000 is because I'm about to get there. The buy-back foals normally go for a lot more than foals who arent buy-backs. The buy-backs go up to $10,000!

Are earthworms Sexual or Asexual?

Earthworms are hermaphrodites, meaning every earthworm has female and male body parts, as in testes and ovaries. However, they do need a mate to reproduce. They line up with their head ends facing away from each other and exchange sperm through the seminal receptacles.

Where does a river otter usually live in north Carolina?

No. Sea otters are found only in the northwestern Pacific. The river otter is found in North Carolina.

What size of a ocean sea otter?

from wikipedia "Male sea otters weigh 22 to 45 kg (49 to 99 lb) and are 1.2 to 1.5 m (4 to 5 ft) in length. Females are smaller, weighing 14 to 33 kg (30 to 73 lb) and measuring 1.0 to 1.4 m (3 ft 3 in to 4 ft 7 in) in length."