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The Adaptations of the Black-tailed Jackrabbit

By, Gabriel Wolf, Gabriel Wolf and Gabriel Wolf

Backround Information

What you need to know about the Black-tailed Jackrabbit

Basic Information

What is it?

Genus

Lepus

Species

Californicus

Biome

Chaparral and Desert

Mainly unsociable

Social Organization

What is it?

Size

18.5-24.8 inches long. Weigh 2.86-6.83 lb. Larger females.

Did you know that the Black-tailed Jackrabbit is not actually a rabbit, but a hare? The main difference is the fact that baby rabbits are born with no fur and their eyes closed, while baby jackrabbits have their eyes open and have a coat.

Behavorial Characteristics

Awwww...

Baby Rabbit

Baby Jackrabbit

ewwww...

When Attacked

  • Freeze for camouflauge
  • If seen, it will run away in a hard to follow zig zag pattern
  • As a last resort, the jackrabbit can kick it's attacker to buy it time to run away

When Attacked

Basic Behavior

  • Mainly nocturnal
  • During the day, hides in tall grass or very shallow burrows
  • Doesn't dig holes to sleep in
  • Rests in tall grass during the day with ears down, very hard to spot

Sexual Reproduction and Child Care

Sexual Reproduction and Child Care

  • Mature before one year of age
  • Year-round mating
  • Promiscuous: Females mate with several males, and males mate with several females
  • Courtship is males and females chasing and acting aggressive to each other

Cont.

  • 41-47 day gestation
  • 3-4 litters (1-6 leverets)
  • Leave babies in seperate locations to increase survival chances
  • Only care for babies for 2-3 days

Location

  • Deserts and Chapparals
  • Western US and Mexico
  • When in their biomes, they prefer open places to locate predators easier

Location

Physical Adaptations

Physical Adaptations

Legs

  • Very long, strong legs
  • Allow them to run at speed bursts up to 36 mph.

Weasel

Top speed: 16 mph

Legs

Top speed: 31 mph

Fox

Top speed: 20 mph

Jackal

Ears

  • Huge ears provide excellent hearing and a way of cooling off
  • When things are hot, the blood vessels in the outer part of its ears widen via vasodilation.
  • Greater circulation of warm blood, heat is lost to the surrounding air

Ears

Fur

  • Tan and silver coating helps to camouflage the jackrabbit into its surroundings
  • On their feet, helps shield their feet on hot land
  • Silver and tan absorbs less heat

Fur

Eat a lot of food (grasses, leaves, sagebrush, cacti) and drink very little water. They get most of their water from their food.

EATING HABITS

Eats most plants, but looks for the ones with the most water

Eat their own feces to save water.

Fun fact: Did you know that 15 jackrabbits can eat as much as a fully grown cow?

Eating Habits

Bibliography

Bibliography

Chaparral Animals. N.p., n.d. Web. 20 May 2017.

"Animals." CHAPARRAL BIOME. N.p., n.d. Web. 20 May 2017.

Animals, A-Z. "Jackal." A-Z Animals - Animal Facts, Pictures and Resources. N.p., n.d. Web. 20 May 2017.

Ballenger, Liz. "Lepus californicus (black-tailed jackrabbit)." Animal Diversity Web. N.p., n.d. Web. 20 May 2017.

"Jackrabbits." National Parks Service. U.S. Department of the Interior, n.d. Web. 20 May 2017.

"Large ears used to cool off : Black-tailed Jackrabbit." AskNature. N.p., n.d. Web. 20 May 2017.

Winkley, Lyndsay. "The Black-Tailed Hare or Jackrabbit: A Master of Survival." Imperial Beach, CA Patch. Patch, 20 July 2011. Web. 20 May 2017.

Writer, Leaf Group. "What Adaptations Help Jackrabbits Stay Cool in the Desert?" Animals - mom.me. Mom.me, 10 Oct. 2016. Web. 20 May 2017.

Writer, Leaf Group. "List of Animals in the Chaparral Biome." Animals - mom.me. Mom.me, 10 Oct. 2016. Web. 20 May 2017.

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