Blue Animals

Pigmentation plays a significant role in influencing body color. However, in most animals, the blue color isn’t a result of the pigment. Instead, the molecular structure and ability to reflect light results in the blue body. E.g., the blue jay looks blue since its feather has tiny light-scattering beads that reflect nothing else but blue. The bird would entirely or partially lose its blue when the feathers get destroyed. Of the few species producing a blue pigment, the obrina olivewing butterfly is one.

List of Animals that are Blue

Mammals

• Blue Whale
• Bryde’s Whale
• Chartreux Cat
• Korat Cat
• Russian Blue Cat

Birds

• Azure Kingfisher
• Blue Crane
• Blue Dacnis
• Blue Grosbeak
• Blue Jay
• Blue-throated Macaw
• Common Kingfisher
• Eurasian Blue Tit
• Greater Blue-eared Starling
• Hyacinth Macaw
• Indian Peafowl
• Indigo Bunting
• Lear’s Macaw
• Little Blue Heron
• Mountain Bluebird
• Peacock
• Purple Honeycreeper
• Spix’s Macaw
• Splendid Fairywren

Reptiles

• Blue Coral Snake
• Blue Iguana
• Blue-headed Tree Agama
• Blue-striped Garter Snake
• Electric Blue Gecko
• Ibiza Wall Lizard

Insects

• Blue Damselfly
• Blue Dasher
• Blue Morpho
• Blue Skimmer
• Steel Blue Ladybird
• Ulysses Butterfly

Invertebrates

• Blue Christmas Tree Worm
• Blue Crab
• Blue Glaucus
• Blue Lobster
• Blue Sea Squirt
• Blue Sea Star
• Blue Starfish
• California Blue Dorid
• Carpathian Blue Slug
• Greater Blue-ringed Octopus
• Tambja Kushimotoensis
• Willan’s Chromodoris

Fish

• Betta Fish
• Blue Crayfish
• Blue Devil Damselfish
• Blue Parrotfish
• Blue Spotted Pufferfish
• Cobalt Zebra Fish
• Humphead Wrasse
• Ribbon Eel
• Royal Blue Tang

Amphibians

• Blue Poison Dart Frog
• Dyeing Dart Frog
• Moor Frog