Picture of an iguana, which begins with the letter i.

Animals That Start With I (Full List)

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If “i” is your favorite letter, you may be on the hunt for animals that start with “i.” Read on for a list of the most remarkable animals that begin with the letter “i.” Below each of their names, find a list of the foods they eat.

Mammals

These mammals have warm blood and live births, and all start with the letter “i.”

Ibex

  • Grass
  • Herbs
  • Shrubs

Ibizan Hound

  • Small game
  • Bones

Icelandic Sheepdog

  • Meat
  • Bones

Ihering’s Atlantic Spiny Rat

  • Leaves
  • Fruit
  • Nuts
  • Seeds

Impala

  • Grass
  • Herbs
  • Shrubs

Indian Crested Porcupine

  • Fruit
  • Bulbs
  • Tubers
  • Grains
  • Insects
  • Small vertebrates

Indian Giant Squirrel

  • Bird eggs
  • Flowers
  • Nuts
  • Fruit

You can also find out more about squirrel scat in our guide on that topic.

Indian Elephant

  • Grass
  • Fruit
  • Tree bark/roots

Indian Rhinoceros

  • Fruit
  • Leaves

Indochinese Tiger

  • Boar
  • Deer
  • Macaques
  • Other mammals

Indri

  • Leaves
  • Flower
  • Fruit

Italian Greyhound

  • Meat
  • Fish 
  • Veggies

Birds

Up high in the sky, these birds start with “i.”

Iago Sparrow

  • Seeds
  • Grain
  • Grass
  • Shoots
  • Leaves

Ibis

  • Crustaceans
  • Insects
  • Snails
  • Worms

Ibisbill

  • Invertebrates
  • Insects
  • Crustacean
  • Larvae
  • Small fish

Iceland Gull

  • Fish
  • Crustaceans
  • Mollusks
  • Berries
  • Seeds

Icterine Warbler

  • Insects
  • Fruit

Imitator Goshawk

  • Small birds
  • Insects
  • Small reptiles

Imperial Amazon

  • Fruit
  • Nuts
  • Forest vegetation
  • Flowers
  • Shoots

Imperial Woodpecker

  • Insects
  • Larvae

Inca Dove

  • Grass
  • Grains
  • Weeds

Inca Tern

  • Anchovies
  • Mote sculpins
  • Offal

Indian Cormorant 

  • Fish
  • Crustaceans
  • Amphibians

Indian Cuckoo

  • Hairy caterpillars
  • Termites
  • Fruit

Indian Eagle-Owl

  • Rodents
  • Small birds
  • Insects
  • Small reptiles
  • Frogs
  • Crustaceans

Indian Vulture:

  • Cattle remains
  • Human remains

Indigo Bunting

  • Berries
  • Insects
  • Seeds

Indigo-Capped Hummingbird

  • Nectar
  • Small anthropods

Inland Dotterel

  • Insects
  • Seeds
  • Leaves

Intermediate Egret

  • Fish
  • Amphibians

Invisible Rail

  • Sago shoots
  • Insects

Island Imperial Pigeon 

  • Fruit

Island Scrub-Jay

  • Acorns
  • Insects
  • Spiders
  • Snakes
  • Lizards
  • Other birds’ eggs
  • Small rodents

Italian Sparrow

  • Insects
  • Seeds
  • Grain

Ivory-billed Woodpecker

  • Insects
  • Fruit
  • Nuts

 

Ivory Gulls

  • Fish
  • Invertebrates

Amphibians

These cold-blooded animals can all breathe through their skin, and their names start with the letter “i.”

Iberian Midwife Toad

  • Worms
  • Snails
  • Insects

Idaho Giant Salamander

  • Insects
  • Small amphibians 
  • Small reptiles

Imitator Salamander

  • Aquatic invertebrates

Indian bullfrog

Italian Agile Frogs

  • Insects
  • Worms
  • Gastropods

Reptiles

These reptiles all have backbones, scales, and the letter “i” in common.

Iberian Mountain Lizard

  • Insects
  • Worms

Iberolacerta galani

  • Insects

Ibiza Wall Lizard

Iguana

  • Flowers
  • Fruit

Indian Snakes

  • Birds
  • Eggs
  • Rodents
  • Lizards
  • Insects

Indian Softshell Turtle

  • Frogs
  • Shrimp
  • Snails
  • Leaves
  • Grass
  • Flowers
  • Fruit
  • Aquatic vegetation

Indian Star Tortoise

  • Grass
  • Leaves
  • Prickly pears
  • Thistles
  • Succulents

Indigo Snake

  • Small mammals
  • Amphibians
  • Birds
  • Turtle eggs
  • Small reptiles

Find out more about what snake scat looks like in our guide on the topic.

Indochinese Box Turtle

  • Grass
  • Leaves
  • Worms

Intermediate Flying Gecko

  • Insects
  • Worms

Iranian Gecko

  • Grasshoppers
  • Scorpions
  • Cockroaches
  • Earthworms

Israeli Middle-toed Gecko:

  • Insects
  • Small invertebrates

Iwasaki Snail-Eater

  • Snails

Iranian Worm Snake

  • Larvae
  • Insects
  • Myriapods
  • Worms

Fish

Below the water, find these fish that start with “i.”

Iberian Nase

  • Invertebrates
  • Aquatic vegetation

Ice Blue Red Top Zebra

  • Aquatic vegetation matter
  • Shrimp
  • Krill

Icefish

  • Plankton
  • Krill
  • Small fish

Ide

  • Insects
  • Larvae
  • Aquatic invertebrates

Ilisha

Inanga

  • Small insects

Inconnu 

  • Small insects
  • Juvenile fish

Indian Glassfish

  • Insect larvae 
  • Worms

Indian Spicy Loach

  • Aquatic vegetation
  • Shrimp
  • Krill

Inexpectatum pleco

  • Blue and green algae
  • Spirulina
  • Brine shrimp

Iridescent shark

  • Fish
  • Aquatic vegetation

Learn more about the animals that begin with other letters in our series of posts on the subject:

Pet News Daily Staff
Pet News Daily writers are experts in pet care, health and behavior. We are members of Society for Professional Journalists and practice ethical journalism.