🌱 Environment & EcologyUPSC 2023Sustainable Development

Consider the following fauna:1. Lion-tailed Macaque2. Malabar Civet3. Sambar DeerHow many of the above are generally nocturnal or most ac- tive after sunset?

aOnly one
bOnly two
cAll three
dNone
✓ Correct answer: a) Only one
ExplanationOption 1 is incorrect: Lion-tailed Macaque, also re- ferred to as the wanderoo, inhabits the upper canopy of tropical evergreen rainforests and monsoon forests across various ele- vations.This species is endemic to the Western Ghats.They are diurnal which means it is active during the day and not nocturnal.IUCN Red List: Endangered Option 2 is correct: Malabar Civet is endemic to the Western Ghats of India.It is listed as Critically Endangered on the IUCN Red List.The Malabar civet is considered nocturnal and so elu- sive that little is known about its biology and ecology apart from habitat use.IUCN Red List: Critically Endangered Option 3 is incorrect: The Sambar, a large deer native to the Indian subcontinent and Southeast Asia, is crepuscular, active during twilight (morning and evening), and occasionally after sunset.Males are mostly solitary while females form small herds of up to 16 individuals.IUCN Red List: Vulnerable 27

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