Blue Whale
Balaenoptera musculus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderCetacea
- FamilyBalaenopteridae (Rorquals)
- GenusBalaenoptera
- SpeciesBalaenoptera musculus (Blue Whale)
The blue whale (Balaenoptera musculus) is a species of baleen whale and the largest marine mammal in the rorqual family Balaenopteridae. Reaching a maximum confirmed length of 29.9–30.5 m (98–100 ft) and weighing up to 190–200 t (190–200 long tons; 210–220 short tons), it is the largest animal known to have ever existed. The blue whale's long and slender body can be of various shades of greyish-blue on its upper surface and somewhat lighter underneath. Four subspecies are recognized: B. m. musculus in the North Atlantic and North Pacific, B. m. intermedia in the Southern Ocean, B. m. Wikipedia →
Closest Relatives at El Vizcaíno Biosphere Reserve
Eden's Whale
Balaenoptera edeni
Humpback Whale
Megaptera novaeangliae
Gray Whale
Eschrichtius robustus
Bottlenose Dolphin
Tursiops truncatus
Common Dolphin
Delphinus delphis
Pygmy Sperm Whale
Kogia breviceps
False Killer Whale
Pseudorca crassidens
Killer Whale
Orcinus orca
Cuvier's Beaked Whale
Ziphius cavirostris
Dwarf Sperm Whale
Kogia sima
Short-finned Pilot Whale
Globicephala macrorhynchus
📅 Monthly Probability
Fewer than 5 records of Blue Whale at El Vizcaíno Biosphere Reserve — not enough to chart months honestly.
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Bahía de Loreto National Park | 🇲🇽 Mexico | |
| 2 | Channel Islands National Park | 🇺🇸 United States | |
| 3 | Galápagos Islands | 🇪🇨 Ecuador | |
| 4 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico |