Siberian Tiger

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Questions and Answers

Given the challenges Siberian tigers face, which conservation strategy would be the MOST effective in the long term, considering both ecological and socio-economic factors?

  • Implementing a strict 'no-entry' policy in existing tiger habitats, coupled with aerial surveillance to deter human activities.
  • Increasing the population of prey animals within protected areas while providing supplemental feeding programs for tigers during harsh winters.
  • Establishing interconnected wildlife corridors between fragmented habitats combined with community-based anti-poaching units. (correct)
  • Relocating tiger populations to reserves in other countries with similar climates and vegetation to ensure their survival.

If a Siberian tiger's tapetum lucidum were damaged, diminishing its night vision, which of the following hunting adaptations would be LEAST affected?

  • Using its strong hind legs to leap up to 20 feet onto prey. (correct)
  • The ability to stalk prey effectively under the cover of darkness.
  • Locating prey based on subtle auditory cues in the environment.
  • Accurately judging distances to pounce on prey in low-light conditions.

Considering the Siberian tiger's physical adaptations and hunting behavior, how might climate change, leading to reduced snow cover and warmer winters, MOST directly impact its hunting success?

  • Changes in vegetation would lead to an increase in prey populations, resulting in more successful hunts.
  • Warmer temperatures would reduce the tiger's energy expenditure, leading to more frequent hunting attempts.
  • Reduced snow cover would compromise the tiger's winter camouflage, making it easier for prey to detect them. (correct)
  • Increased snow cover would enhance camouflage, making it harder for tigers to stalk prey effectively.

If authorities decided to focus conservation efforts on relocating Siberian tigers, where would be the MOST suitable new habitat, considering the tigers' specific adaptations and needs?

<p>A boreal forest region with cold winters, snowy conditions, and similar prey species. (B)</p> Signup and view all the answers

Given the Siberian tiger's low hunting success rate (one in ten attempts), which anatomical adaptation provides the MOST crucial advantage when a hunt is successful?

<p>The papillae on the tongue, allowing it to efficiently strip flesh from bones. (A)</p> Signup and view all the answers

Which scenario would MOST likely lead to an increased risk of human-Siberian tiger encounters, considering the factors that drive tiger behavior and habitat use?

<p>Expanding human settlements further into the tiger's habitat, reducing prey availability and increasing competition for resources. (D)</p> Signup and view all the answers

Assuming a population bottleneck event drastically reduces the genetic diversity within the Siberian tiger population, which of the following would be the MOST likely long-term consequence for the species' survival?

<p>Elevated susceptibility to genetic disorders and reduced ability to adapt to changing environments. (C)</p> Signup and view all the answers

If a novel virus emerged that specifically targeted and destroyed the tapetum lucidum in Siberian tigers, what would be the MOST immediate and significant consequence for the tiger population?

<p>A decrease in hunting success, leading to starvation and population decline. (C)</p> Signup and view all the answers

Considering the Siberian tiger's physical characteristics and ecological niche, which of the following represents the MOST significant trade-off in its adaptations?

<p>Longer, thicker fur provides insulation but reduces agility in warmer months. (A)</p> Signup and view all the answers

If a specific gene mutation caused Siberian tigers to be born without the reflecting layer in their eye (tapetum lucidum), how would this MOST directly impact their hunting strategy and success?

<p>The tigers would likely shift to hunting primarily during daylight hours. (D)</p> Signup and view all the answers

Flashcards

Siberian Tiger

The largest cat species, reaching nearly 10 feet long and weighing up to 700 pounds.

Siberian Tiger Distribution

Approximately 400 live in Russia's birch forests, with the rest in Eastern China and North Korea.

Siberian Tiger Adaptations

Special fur, large paws, and camouflage to survive in temperatures as low as -40°F.

Siberian Tiger Camouflage

They have longer/thicker fur, widely spaced stripes, pale orange fur, and white stomach/chest.

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Tapetum Lucidum in Tigers

Enhances night vision six times better than humans, helping them hunt at night.

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Threats to Siberian Tigers

Logging, human settlement, and poaching reduce their numbers.

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Siberian Tiger Hunting

They can leap up to 20 feet onto prey, using strong hind legs.

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Siberian Tiger Hunting Success

Only about 10% of the tiger's hunts are successful.

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Papillae

Hooks on the tongue used to rip flesh from bone.

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Siberian Tiger Killing Methods

3-inch canines sever arteries/shear the spinal cord; powerful jaws crush the windpipe.

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Study Notes

  • The Siberian tiger is the largest cat, reaching nearly 10 feet in length and weighing up to 700 pounds.
  • Fewer than 500 Siberian tigers remain in the wild.
  • Around 400 Siberian tigers live in Russia's birch forests.
  • The remaining Siberian tigers are dispersed throughout Eastern China and North Korea.
  • The Siberian tiger inhabits extremely cold environments; temperatures can drop to -40°F.
  • Large paws prevent the Siberian tiger from sinking into the snow.
  • Widely spaced stripes provide camouflage in warmer months as the seasons change.
  • Pale orange fur helps the tiger blend into the forest during winter.
  • A white stomach and chest provide additional camouflage and warmth in the snow.
  • Siberian tigers have longer and thicker fur compared to tigers in warmer climates.
  • Camouflage helps the tiger stalk prey.
  • Strong hind legs allow the tiger to leap up to 20 feet onto its prey.
  • Siberian tigers are more active at night.
  • A reflecting layer in the eye, the tapetum lucidum, enhances night vision.
  • The tapetum lucidum increases incoming light, improving night vision by six times compared to humans.
  • 3-inch canine teeth sever arteries and shear the spinal cord.
  • Powerful jaws crush the windpipe.
  • Only one in ten hunting attempts is successful.
  • Tigers often consume over 60 pounds of flesh in one sitting after a successful hunt.
  • Small hooks on the tongue, called papillae, help tigers to rip flesh from bone.
  • Logging and human settlement destroy the tiger's hunting grounds.
  • Poachers kill approximately 85% of the remaining tiger population.
  • Authorities confiscate and burn poached goods to prevent black market sales.
  • Human intrusion increases the risk of encounters with these predators.

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