Sentinel Species | Indicators of Ecosystem Health | Latest Update | Drishti IAS English

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Sentinel Species are important indicators of ecosystem health and play a crucial role in Environment & Ecology for UPSC preparation. In this Latest Update, we discuss why Sentinel Species are in news, especially after the International Union for Conservation of Nature (IUCN) declared the Emperor Penguin as an endangered species. These species act as early warning signals for environmental changes like pollution, climate change, and habitat degradation.

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