-
zoologist Joel
Asaph Allen reviewed the world's
pinnipeds in an 1880 monograph,
History of
North American pinnipeds, a
monograph of the walruses, sea-lions,...
-
pinnipeds, the
limbs have been
modified into flippers.
Unlike cetaceans and sirenians,
which have
fully functional tails to help them swim,
pinnipeds...
- like
breeding location. The
mating system of
pinnipeds varies from
polygamy to
serial monogamy.
Pinnipeds are
known for
early differential growth and maternal...
-
group is
called a
pinniped or a seal. They are
widespread throughout the
ocean and some
larger lakes,
primarily in
colder waters.
Pinnipeds range in size...
-
layer of
vascularized adipose tissue under the skin of all cetaceans,
pinnipeds, penguins, and sirenians. It was
present in many
marine reptiles, such...
- an
extinct group of
pinnipeds, Enaliarctos.
While support for the
monophyly of
pinnipeds is strong, the
relationship of
pinnipeds to
terrestrial mammals...
-
Pinnipeds (from
Latin pinna "wing or fin" and ped- "foot"), or fin-footed mammals, are a
widely distributed and
diverse group of semi-aquatic
marine mammals...
-
Pacific can
weigh more than 2,000
kilograms (4,400 pounds) and,
among pinnipeds, are
exceeded in size only by the two
species of
elephant seals. Walrus...
-
Pinnipeds are
thought to have
originated 27 to 25
million years ago
during the late
Oligocene period. One
hypothesis for the
evolution of
pinnipeds is...
- haul out.[citation needed] In
comparison to many
pinniped species, and in
contrast to
otariid pinnipeds,
harbor seals are
generally regarded to be more...
