hey guys it's Kerry today I'm looking at North American
felines and canines in North America jaguars are fairly
small weighing around 57 kilograms about the size of a cougar
in northeastern Mexico jaguars coexist with cougars
both are foremost active at night and prey on white-tailed deer collared
peccary and cattle calves jaguars tend to hunt larger species than
the pumas even when they are a similar size
this sympatric relationship is specific to northern Mexico
the powerful bite force is 1500 psi
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melanistic or black jaguars occur due to a genetic mutation
these types of jaguars are found in rainforests because it is easier for
them to blend into the dark shadows of the trees
the anaconda is the only natural enemy of jaguar
for their size they are the strongest of any cat allowing them to catch big prey like
caiman
Florida panther it is the only mountain lion subspecies
found east of the mississippi river they are able to leap more than four
meters which is 15 feet when pouncing on their prey
they differ from the fForida panther because they are lighter in color
shorter legs and larger feet and heavier in weight
males can measure more than 2 meters or 6.6 feet from the nose to the tip of the
tail and stand up to 70 centimeters which is 28 inches at the shoulder
in the wild they can weigh up to 67 kilograms or
148 pounds
they are a successful generalist predator
they will eat any animal they can catch from small insects to large ungulates
red fox they are native in north America and can be found throughout the United
States and Canada except in the far north where it's the arctic fox
the native red foxes from north America are comparatively light with larger
sexual dimorphism than the Eurasian red foxes
there are six species of foxes in north America
the arctic fox grey fox
kit fox island fox
swift fox and of course the red fox arctic fox
their body length is up to centimeters or 27 inches with a
generally rounded body shape to minimize the escape of body heat
to prevent heat loss the arctic fox curls up tightly tucking its legs and
head under its body and behind its hairy tale
this position gives the fox the smallest surface area to volume ratio and
protects the least insulated areas
mastodon they inhabited northern and central
America during the lake miocene and late pliocene
they lived in north and central America up to their extinction at the end of the
pleistocene that was about 11 000 years ago
mammoth they lived up to around 4 000 years ago
as well as north America they are found in Africa Europe and Asia
the largest known species reach heights in the region of 4 meters or 13.1 feet
at the shoulder and weights up to 8 tons
exceptionally large males may have exceeded 12 tons
most mammal species were about the same size as the modern Asian elephant which
is up to three metres high at the shoulder and rarely exceeds five tons
wolf A wolf pack maintains order through
its hierarchy this hierarchy is continually reinforced
by displays of dominance and submission the job of maintaining order and
cohesion in the pack falls largely to the alphas
especially the alpha female who is the mother of the pack
to keep the pack together the alpha female is the dominant female
of the pack and is mated to the alpha male
a wolf's posture when encountering other wolves says a lot about their status in
the pack subordinates crouch and often look at
the dominant wolf's muzzle the alphas have a stiff legged gate with
their tail held high
coyote they are native to north America and
currently occur throughout most of the continent
they are versatile and able to adapt and to expand into environments modified by
humans the average male weighs up to 20
kilograms
Canadian lynx weighs up to 14 kilograms with a length
of 90 centimeters and shoulder height 56 centimeters
bobcat is the smallest lynx
there are 13 recognized subspecies
ocelot weighing up to 15 and a half kilograms
and a height of up to 50 centimeters they are usually solitary and active
mainly during twilight and at night during the daytime they rest on trees
in dens below large trees or other cool sheltered sites on the
ground and the beautiful margay
capybara copulation usually takes place in the water
the female moves in and out of the water followed by the male until she is
receptive to him by adopting the lordosis position
the male will mount the female many times over the course of an hour or more
the male's penis has a bulbous shape on the end and when it enlarges it causes a
temporary fixation inside the female's genitals
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