Fauna
Mammal · GBIF taxon 2434814

Southern Elephant Seal

Mirounga leonina

Also known as South Elephant Seal

Southern elephant seals spend months foraging across the icy Southern Ocean, diving routinely to depths exceeding 1,000 meters in search of deep-sea squid. During the spring breeding haul-out, enormous beachmasters clash over dense harems, using their inflatable proboscises to amplify resonant, guttural roars that deter rivals. Pups gain weight at an astonishing pace, sustained by milk with one of the highest fat contents of any mammal before returning to sea.

Marine MammalDeep DiverCarnivore
Southern Elephant Seal reference1 / 7
Licensed reference(c) Antoine Lamielle, some rights reserved (CC BY-SA) · cc-by-sa
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VulnerableConservation statusIUCN Red List categoriesLCNTVUENCREWEXVulnerableRed List categories, explained →
Key facts
Diet & prey
  • Squid
  • Antarctic Toothfish
  • Lanternfish
Predators
  • Killer Whale
  • Leopard Seal
  • Great White Shark
ThreatsClimate-driven prey shifts, commercial fishery entanglement, and plastic pollution
HabitatsSubantarctic islands, open Southern Ocean, and Antarctic pack ice
Life span15–22 years
Classification
  1. FamilyPhocidae
  2. SpeciesMirounga leonina
Range & activity
Range data is not available yet.
Safe observation
Interaction riskHigh
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is high
Territorial bulls charge rapidly on land; observe from a distance of at least 20 meters.
Why it is dangerous
Massive weight allows bulls to crush humans easily, backed by explosive speed over short distances and powerful, lacerating bite capabilities.
How to recognize a risky encounter
Recognizable by immense barrel-shaped bodies, wrinkled grey-brown skin, and mature males with a pronounced, overhang snout.
What to do
Give all haul-outs a wide berth, back away smoothly if an animal vocalizes or rears up, and never block access to surf.
What to notice
Look for crowded, noisy subantarctic beaches packed with dense female groups, nursing pups, and patrolling bull seals.
Support conservation
Remain behind marked boundary markers on wildlife reserves and withdraw immediately if any resting animal raises its head.
Responsible observation
  • Safe Distance: Keep at least 20 meters away on haul-out beaches, expanding distance if bulls show agitation.
  • Escape Routes: Never position yourself between a seal and the ocean, as startled individuals charge straight toward water.
  • Quiet Approach: Move slowly and stay low to the ground to avoid triggering mass stampedes in crowded harems.
Related species
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