asterionellaa:Whales! From top to bottom: Narhwal, Beluga Whale, Orca, Humpback Whale, Sperm Whale,

asterionellaa:Whales! From top to bottom: Narhwal, Beluga Whale, Orca, Humpback Whale, Sperm Whale, Right Whale, and Blue Whale (Approx size differences)  -- source link

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