CreatureData

Blue whale vs Common bottlenose dolphin

They share the order Cetacea but sit in different families: Blue whale in Balaenopteridae, Common bottlenose dolphin in Delphinidae.

Blue whale (Balaenoptera musculus)
Blue whale ENEndangered
Photo: NOAA Photo Library · Public domain · Wikimedia Commons
Common bottlenose dolphin (Tursiops truncatus)
Common bottlenose dolphin LCLeast Concern
Photo: NASA · Public domain · Wikimedia Commons

What is the difference between a blue whale and a common bottlenose dolphin?

Each point below is worked out from a pair of recorded values.

  • They share the order Cetacea but sit in different families: Blue whale in Balaenopteridae, Common bottlenose dolphin in Delphinidae.
  • The blue whale is listed as Endangered on the IUCN Red List; the common bottlenose dolphin is Least Concern.
  • They have been recorded in 45 of the same countries (the blue whale in 57 in total, the common bottlenose dolphin in 121). Shared records include zoos, so this does not mean they meet in the wild.

Side by side

Blue whaleCommon bottlenose dolphin
Scientific nameBalaenoptera musculusTursiops truncatus
FamilyBalaenopteridaeDelphinidae
OrderCetaceaCetacea
WeightNot recordedNot recorded
Length27.1 mNot recorded
LifespanNot recordedNot recorded
Main foodEuphausiaceaNot recorded
HabitatNot recordedNot recorded
Conservation statusEndangeredLeast Concern
Countries recorded57121

Full record: Blue whaleFull record: Common bottlenose dolphinCompare other animals