Skip to content
RichseenAtlas← JourneySign in

Blue Whale Migration

How these connect

Blue Whale (Balaenoptera musculus) and what it relates to. Every line is an evidence-backed relation, and the arrangement is fixed — this address draws this picture, today and next year.

instance_of — B. m. intermedia is the Antarctic subspecies of Balaenoptera musculus and the largest of them.preys_on — Blue whales feed almost exclusively on euphausiids; in the Southern Ocean the species is Euphausia superba.uses — Engulfment lunging is the whale's only feeding mode and the reason its body plan scales the way it does.comparable_to — The two species were hunted by the same fleets in the same waters; the fin whale was downlisted by IUCN in 2018 and the blue whale was not.depends_on — The mechanism requires large baleen whales feeding at depth and defecating at the surface; blue whales were the largest single contributor by biomass before whaling.concerns — The moratorium covers all stocks; for blue whales it followed protection already granted in 1966 and commercial exhaustion long before that.instance_of — The northern Indian Ocean population is discussed as a possible fourth subspecies, B. m. indica; the standing is contested rather than settled.instance_of — B. m. brevicauda is the smaller Indian Ocean and southern Pacific subspecies.affects — Vessel collision is the principal identified anthropogenic mortality source for blue whales in the eastern North Pacific today.concerns — The observed decline in song tonal frequency is a property of blue whale song across at least seven of the ten known song types.Blue whale song frequencies are observed falling worldwideBlue whale song frequenci…The commercial whaling moratorium takes effectThe commercial whaling mo…Rorqual Lunge FeedingRorqual Lunge FeedingVessel Collision with Large WhalesVessel Collision with Lar…Whale-Mediated Iron RecyclingWhale-Mediated Iron Recyc…Antarctic Blue Whale (B. m. intermedia)Antarctic Blue Whale (B. …SPECIES_ANTARCTIC_KRILLSPECIES_ANTARCTIC_KRILLBlue Whale (Balaenoptera musculus)Blue Whale (Balaenoptera …Fin Whale (Balaenoptera physalus)Fin Whale (Balaenoptera p…Northern Indian Ocean Blue Whale (putative B. m. indica)Northern Indian Ocean Blu…Pygmy Blue Whale (B. m. brevicauda)Pygmy Blue Whale (B. m. b…
11 drawn · 9 reachable and not drawn · positions derived from object ids, never from a simulation
Open more8
Every relation drawn, in words10
  1. Antarctic Blue Whale (B. m. intermedia) · instance_of · Blue Whale (Balaenoptera musculus)

    B. m. intermedia is the Antarctic subspecies of Balaenoptera musculus and the largest of them.

  2. Blue Whale (Balaenoptera musculus) · preys_on · SPECIES_ANTARCTIC_KRILL

    Blue whales feed almost exclusively on euphausiids; in the Southern Ocean the species is Euphausia superba.

  3. Blue Whale (Balaenoptera musculus) · uses · Rorqual Lunge Feeding

    Engulfment lunging is the whale's only feeding mode and the reason its body plan scales the way it does.

  4. Fin Whale (Balaenoptera physalus) · comparable_to · Blue Whale (Balaenoptera musculus)

    The two species were hunted by the same fleets in the same waters; the fin whale was downlisted by IUCN in 2018 and the blue whale was not.

  5. Whale-Mediated Iron Recycling · depends_on · Blue Whale (Balaenoptera musculus)

    The mechanism requires large baleen whales feeding at depth and defecating at the surface; blue whales were the largest single contributor by biomass before whaling.

  6. The commercial whaling moratorium takes effect · concerns · Blue Whale (Balaenoptera musculus)

    The moratorium covers all stocks; for blue whales it followed protection already granted in 1966 and commercial exhaustion long before that.

  7. Northern Indian Ocean Blue Whale (putative B. m. indica) · instance_of · Blue Whale (Balaenoptera musculus)

    The northern Indian Ocean population is discussed as a possible fourth subspecies, B. m. indica; the standing is contested rather than settled.

  8. Pygmy Blue Whale (B. m. brevicauda) · instance_of · Blue Whale (Balaenoptera musculus)

    B. m. brevicauda is the smaller Indian Ocean and southern Pacific subspecies.

  9. Vessel Collision with Large Whales · affects · Blue Whale (Balaenoptera musculus)

    Vessel collision is the principal identified anthropogenic mortality source for blue whales in the eastern North Pacific today.

  10. Blue whale song frequencies are observed falling worldwide · concerns · Blue Whale (Balaenoptera musculus)

    The observed decline in song tonal frequency is a property of blue whale song across at least seven of the ten known song types.