• The North Atlantic Right Whale— one of the rarest whale species in the world — has shown a modest population increase according to the North Atlantic Right Whale Consortium Report (2025).
• The population now stands at ≈384 individuals, up from 376 last year, marking four consecutive years of slow growth after a decade of severe decline.
• The turnaround follows enhanced marine conservation measures in Canada and the United States, particularly in the Gulf of St. Lawrence and New England waters.
• It is a key indicator species for marine ecosystem health in the North Atlantic.

About the North Atlantic Right Whale

• Scientific Name: Eubalaena glacialis
• Family: Balaenidae (same family as bowhead whales).
• Habitat Range:
  • Western North Atlantic Ocean, especially Gulf of Maine, Bay of Fundy, and Gulf of St. Lawrence.
  • Historically found throughout the North Atlantic, now limited mainly to coastal waters of the U.S. and Canada.
• Population Status:
  • Approx. 384 individuals (2025) — critically low.
  • IUCN Red List Status: Critically Endangered.
  • CITES Appendix I — International trade prohibited.
• Physical Features:
  • Large, stocky body (up to 16 m long).
  • No dorsal fin; thick layer of blubber for cold waters.
  • Distinctive callosities (rough white patches) on head used for individual identification.

Threats to Survival

• Ship Strikes (Vessel Collisions): Leading cause of adult mortality; whales are slow-moving and feed near the surface.
• Fishing Gear Entanglement: Entanglement in lobster traps, crab pots, and gillnets causes severe injury, starvation, or drowning.
• Low Reproductive Rate: Females calve once every 3–10 years; many are undernourished due to reduced food (zooplankton) availability.
• Climate Change: Warming waters in the Gulf of Maine have disrupted copepod (zooplankton) populations, forcing whales northward to riskier zones.
• Noise Pollution: Underwater industrial and shipping noise interferes with communication and mating calls.

Conservation Measures

• U.S. and Canada Protections: Listed under U.S. Endangered Species Act (ESA) and Marine Mammal Protection Act (MMPA).
  • Speed restrictions for vessels in critical habitats.
  • Fishing gear modification and seasonal closures in high-risk zones.
  • Aerial and satellite monitoring of whale movements.
• North Atlantic Right Whale Consortium: Partnership of scientists, governments, and NGOs.
  • Monitors population data, calf births, and mortality.
• Recent Conservation Success: 2025 report:
  • No detected mortalities in the past year.
  • Fewer detected injuries.
  • 11 calves born (including 4 first-time mothers).
  • Indicates potential recovery trajectory if sustained.

Key Facts

Prelims MCQ

Q. Consider the following statements about the North Atlantic Right Whale:

1. It is classified as Critically Endangered on the IUCN Red List.
2. It is found only in the Southern Hemisphere, primarily around Antarctica.
3. Fishing gear entanglement and ship collisions are among its leading causes of death.
4. It is found in small pockets in Indian Waters near the Great Nicobar Island.

Which of the statements given above are correct?

(a) 1 and 3 only
(b) 1, 3, and 4 only
(c) 2 and 4 only
(d) 1, 2, and 4 only

Answer: (a) 

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