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orca vs walrus

orca vs walrus
orca leads on 3 of 3 measures
Measured comparison — not a prediction

The largest dolphin and an apex predator everywhere it lives; distinct populations specialise on different prey. A tusked Arctic pinniped that hauls out in herds of thousands and forages for clams on the seabed. On the measurements below, orca leads on more of them — but they do not all point the same way, and the ones that disagree are the interesting part.

The measurements

orca walrus
Mass 1,300–10,000 kg 400–1,900 kg
Length 5–9.8 m 2.2–3.6 m
Height 0.9–1.8 m —
Top speed 56 km/h —
Lifespan 30–90 yr 30–40 yr

Where each one leads

  • Mass: orca is 4.0× heavier.
  • Length: orca is 2.3× longer.
  • Lifespan: orca is 1.3× a longer life.

What this does and does not tell you

These are measured averages with real ranges behind them, and every figure links to its own page. What they cannot do is settle an encounter. Outcomes between animals turn on circumstance — who initiates, whether either is hungry, defending young, injured or cornered, and what the terrain favours. Size and bite force are not decisive on their own, and most of these pairs never meet in the wild in any case, because their ranges do not overlap.

Every figure here is an average with a substantial spread. Individual animals vary enormously — a large individual of the smaller species routinely exceeds a small individual of the larger one.

Common questions

Is a orca bigger than a walrus?
orca is heavier — 1,300–10,000 kg against 400–1,900 kg.
Who would win, a orca or a walrus?
That is not something measurements can settle. The comparison above shows which animal leads on each measure, but an actual encounter depends on circumstance, motivation, health and terrain — and most pairs like this never meet in the wild.

Related pages

Sources

  1. National Oceanic and Atmospheric Administration — NOAA (Public domain (US Government))

How these figures are compiled and checked