Why are Tigers called umbrella species?

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Tags

1. #population
2. #biotic
3. #factors
4. #controls
5. #species
6. #reason
7. #ecosystem
8. #forest
9. #which
10. #umbrella
11. #herbivores
12. #called
13. #ecological
14. #ungulate
15. #signifies
16. #particular
17. #tiger
18. #conserving