In this blog post, we will discuss various species of fauna that are significant from the perspective of the UPSC Prelims 2025 examination. Understanding these species, their conservation status, and their ecological roles is crucial for aspirants.
Importance of Fauna in UPSC Prelims
Fauna plays a vital role in the environment and ecology sections of the UPSC Prelims. With approximately 9 million species existing globally, it is essential to focus on those that are relevant for examination purposes. This post aims to highlight key species that have been in the news and are likely to be significant for the upcoming exams.
Key Fauna Species Discussed
1. Pangolin
- Conservation Status: Critically Endangered (Chinese Pangolin) and Endangered (Indian Pangolin).
- Habitat: Found in tropical and flooded forests, grasslands, and thick bushes across India, except in arid regions and high Himalayas.
- Diet: Primarily feeds on ants and larvae.
- Threats: Global trafficking has led to a significant decline in their population.
2. Iberian Lynx (Lynx pardinus)
- Conservation Status: Vulnerable.
- Habitat: Found in the cold deserts of Ladakh, India, and the Iberian Peninsula.
- Characteristics: Notable for their long legs and spotted fur, resembling leopards.
- Population Recovery: Conservation efforts have led to an increase in their numbers from 62 individuals in 2001 to 648 in 2022.
3. Four-Horned Antelope (Chousingha)
- Conservation Status: Vulnerable.
- Habitat: Found in dry deciduous forests and grasslands across India, particularly in Madhya Pradesh.
- Characteristics: Smallest antelope species in Asia, known for having four horns.
4. Markhor
- Conservation Status: Near Threatened.
- Habitat: Primarily found in the mountainous regions of Kashmir.
- Significance: Recognized as the largest wild goat, with conservation efforts underway to protect their habitats.
5. Olive Ridley Turtle
- Conservation Status: Vulnerable.
- Habitat: Commonly found along the eastern coast of India, particularly at Gahirmatha.
- Reproductive Behavior: Known for mass nesting events called "arribadas."
6. Gharial
- Conservation Status: Critically Endangered.
- Habitat: Freshwater rivers, particularly the Chambal River.
- Diet: Primarily fish eaters, with a long, narrow snout adapted for catching fish.
7. Snow Leopard
- Conservation Status: Vulnerable.
- Habitat: Found in the high-altitude regions of the Himalayas.
- Significance: Indicator species for mountain ecosystems, with conservation programs in place to protect their populations.
8. Great Indian Bustard
- Conservation Status: Critically Endangered.
- Habitat: Semi-arid regions of Rajasthan and Gujarat.
- Threats: Collisions with power lines and habitat loss have led to a drastic decline in their population.
9. Lesser Florican
- Conservation Status: Critically Endangered.
- Habitat: Prefers tall grasslands in India.
- Breeding Behavior: Notable for its unique mating displays.
10. Himalayan Ibex
- Conservation Status: Least Concern.
- Habitat: Found in the high-altitude regions of the Himalayas.
- Diet: Herbivorous, primarily grazing on grasses and shrubs.
11. Indian Wild Ass
- Conservation Status: Near Threatened.
- Habitat: Found in the arid regions of Gujarat.
- Characteristics: Adapted to survive in high-temperature environments.
12. Gangetic River Dolphin
- Conservation Status: Endangered.
- Habitat: Freshwater rivers, particularly the Ganges.
- Significance: Indicator species for the health of river ecosystems.
13. Black-necked Crane
- Conservation Status: Near Threatened.
- Habitat: High-altitude marshes and lakes in Arunachal Pradesh.
- Cultural Significance: Associated with local Buddhist communities.
14. White Rhinoceros
- Conservation Status: Near Threatened (Southern White Rhino) and Critically Endangered (Northern White Rhino).
- Habitat: Found in grasslands and savannas of Africa.
- Threats: Poaching for their horns, which are falsely believed to have medicinal properties.
15. Golden Backed Frog
- Conservation Status: Endangered.
- Habitat: Found in the Western Ghats of India.
- Significance: Recently rediscovered after two centuries.
16. Himalayan Wolf
- Conservation Status: Vulnerable.
- Habitat: High-altitude regions of the Himalayas.
- Diet: Predominantly feeds on yaks and other herbivores.
17. Amur Falcon
- Conservation Status: Least Concern.
- Habitat: Migratory species found in Nagaland during winter.
- Significance: Conservation efforts have led to a ban on hunting in Nagaland.
18. California Ground Squirrel
- Conservation Status: Least Concern.
- Habitat: Found in California.
- Dietary Behavior: Recent studies show they have adapted to include small birds and reptiles in their diet.
19. European Wolf
- Conservation Status: Endangered.
- Habitat: Found in Ethiopia.
- Significance: Contributes to pollination and ecosystem health.
20. Swell Hima Fish
- Conservation Status: Critically Endangered.
- Habitat: Found in the Arabian Sea off the coast of Kerala.
- Significance: Recognized for its medicinal properties.
Conclusion
This overview of important fauna species highlights their conservation statuses, habitats, and ecological significance. Understanding these species is crucial for UPSC aspirants, as they play a vital role in maintaining biodiversity and ecosystem health. By focusing on these key species, candidates can enhance their preparation for the UPSC Prelims 2025.
