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Tiger Evolution

By: Anahi Sidonio

Bali Tigers

Earliest Known Ancestor

  • Habitat : Island of Bali, Indonesia, mainly tropical forest. The last Bali tigers lived in northwestern tip of the island

Intermediate Ancestor

Longdan Tiger

  • Range : Early Pleistocene

Longdan Tiger

  • is Balinese Tiger
  • Scientific Name : Panthera Tigris Balica
  • Range: Indonesian Island of Bali
  • Carnivorous
  • Description : Females - 143 - 176 pounds Males - 198 - 221 pounds , do have stripes.

All Killed .

  • Scientific Name : Panthera zdanskyi
  • General Description : Size- 1.6m 75cm height , skull is a little bigger than head, broad cheeks, a bit larger than tigers.
  • Habitat : cool climate, water on surroundings etc.

More About Bengal Tigers

  • Length : 3 - 3.6 Ft.
  • Mass : 310 - 550 lbs.

Bengal Tiger

Tiger hunts large Gaur

Bengal Tigers

Siberain Tigers

  • Scientific Name : Panthera Tigris
  • Bengal tigers are really great swimmers
  • They adapted to hunt and kill in the water.
  • The stripes on the tigers body helps it camouflage and hunt for food.

Intermediate Ancestor

(2)

  • Bengal tigers are found mainly in Bangladesh.
  • They're main predators in ecosystem.
  • Their habitat is tropical rainforest & scrub forests etc.

Siberain Tiger

  • General Description : Size- 10.75ft , Size relative to a 6-ft , Weight - 660lbs
  • Scientific Name : Panthera tigris altaica
  • Habitat/Range: Amur River region of Russia, China and North Korea
  • Niche/Role : Stalk their prey from thick vegetation,mostly active at night, Large Predators

Closest Relative

(1)

Closest Relative

(2)

Sumatran Tiger

Indochinese Tiger

  • Scientific Name: Panthera tigris sumatrae
  • Habitat/Range: lowland forest, mountain forest, swamps, & tropical rain forests.
  • Adaptations: Camouflage well with fur, long sensitive whiskers help catch prey, & more
  • Scientific Name :Panthera tigris corbetti
  • Habitat/Range: forests / hilly or mountainous terrain
  • Adaptations: sense of smell is highly developed; tigers can identify individual humans by their scent only. 

Enviormental Conditions That Influenced Evolution

  • Tigers back then where much smaller than now, their size grew.
  • Due to rising sea levels more strong swimmers survived
  • Evolution chose good swimmers, larger tigers, improvement in teeth and more.

References: SeaWorld.org ,LiveScience.com,

Tigers-world.com

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