Animals That Start With I
Discover 3 animals whose common name begins with the letter I, from Green Iguana to Impala. This includes 2 mammals and 1 reptile. Browse photos, taxonomy, habitat, diet, and conservation status for each species.
About Animals That Start With I
Diet among these species breaks down as 3 herbivores. They live across rainforest, wetlands, mountain, grassland, and forest habitats, and are native to South America, North America, Europe, and Africa. Body weight varies across the group, ranging from 4kg to 120kg.
I Animals

Green Iguana
Iguana iguana
ReptileThe green iguana is a large arboreal lizard native to Central and South America, often found basking on branches overhanging rivers and streams.

Ibex
Capra ibex
MammalThe Alpine ibex is a wild goat species famous for its massive, ridged, backward-curving horns and remarkable ability to scale near-vertical cliff faces in the mountains of the European Alps. Once hunted to near extinction, the entire modern population descends from a small group protected in a single Italian nature reserve in the 19th century.

Impala
Aepyceros melampus
MammalThe impala is a medium-sized antelope found across eastern and southern African savannas, famous for its explosive leaping ability when startled.
Alphabetical List
Interesting I Animal Facts
- Green Iguana: A green iguana can hold its breath and stay submerged for up to 30 minutes.
- Ibex: Ibex are capable of climbing near-vertical surfaces, including dam walls, to reach mineral-rich rock.
- Impala: An impala can leap up to 3 meters high and 10 meters in a single bound.
I Animals FAQs
How many animals start with the letter I?
This page currently features 3 animals whose common name starts with I, and more are added regularly.
What is the most popular animal starting with I?
Ibex is the most popular animal starting with I on this site.
What is the rarest animal starting with I?
Green Iguana has the most severe conservation status (Least Concern) among animals starting with I.
Are any animals starting with I endangered?
None of the animals starting with I currently listed are classified as threatened, though conservation status can change over time.