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English Documentary on Tigers with Transcript

Last updated on August 8, 2023 by in English Documentaries with Transcript Category with 2 Comments on English Documentary on Tigers with Transcript, 56 Views and Reading Time: 3 minutes
English Documentary on Tigers with Transcript for IELTS & TOEFL candidates to practice listening and vocabulary with a podcast and illustrated flashcards Source of documentary: National Geographic YouTube Channel Watch this video on YouTube Tiger subspecies With their signature orange fur and black stripes, tigers have become icons of beauty, power and the importance of conservation. Tigers

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2 comments on “English Documentary on Tigers with Transcript”

  1. Tiger subspecies
    With their signature orange fur and black stripes, tigers have become icons of beauty, power and the importance of conservation. Tigers have evolved into six subspecies. The tiger’s tail of evolution can be traced back to about two million years ago, when the earliest known tiger ancestor left Africa and ventured into Asia. Over time the big cat split into nine subspecies, with six still alive today. The most numerous subspecies is the Bengal tiger, accounting for approximately 50% of the tiger population worldwide.

    Heavy cats
    Tigers are the world’s largest cats. On average the big cats weight about 450 pounds but the largest is the Siberian tiger subspecies, measuring up to 13 feet long and weighing up to 660 pounds. This extra weight is primarily because of large powerful muscles. Unlike lions, the second largest of the of the big cats, tigers have more muscle mass and are therefore heavier.

    Who says cats can’t swim?
    Tigers have webbed toes. Often living near bodies of water, tigers have adapted for a semi-aquatic lifestyle. They appear to enjoy being in the water, unlike most cats, and are excellent swimmers using their powerful muscles to propel their bodies in the water. They’ve also evolved to have webbing between their toes. The webbing allows the big cats to push around a greater volume of water, with each stroke of their paws.

    White tigers
    White tigers are a type of Bengal tiger. The classic black and orange coloration of most tigers is caused by the pigments eumelanin which turns fur black, and pheomelanin which turn fur orange. The production of pheomelanin is triggered by the gene SLC45A2. White tigers carry a mutated version of this gene, which prevents them from producing orange pigmentation.

    Threats to the tiger population
    Fewer than 4,000 tigers remain in the wild. At the turn of the 20th century, approximately 100,000 tigers roamed the wild, living as far west as Turkey and as far north as Russia. But due to deforestation, human development and poaching, their range severely decreased and within 100 years, the world’s tiger population declined by about 96%. Over the past few decades, programs have been put into place to protect tigers and their habitats. With the help of the global community, tiger populations may slowly rebound.

    • Excellent job! Thank you so much.
      Just two typos:
      1. Second paragraph, line 1: big cats weight –> weigh
      2. Second paragraph, almost at the end: repetition of “of the”
      The typos were edited and corrected in the body of the post.

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