This list includes 24 Small animals that start with I, from “Iberian midwife toad” to “Ivory gull”. These species are mostly small amphibians, birds, invertebrates, or pet-friendly mammals used in education and wildlife observation.
Small animals that start with I are species whose common names begin with the letter I and are generally small in adult size. For example, the Iberian midwife toad is famed for male parental care, a behavior often noted in natural history.
Below you’ll find the table with Common name, Scientific name, Habitat, and Lifespan.
Common name: The widely used English name helps you find species quickly and match pet or field guides.
Scientific name: The binomial name gives exact species identification and helps you locate authoritative information globally.
Habitat: A short habitat phrase tells you where the animal lives and where you can expect to find it.
Lifespan: Typical adult lifespan gives realistic expectations for care, study, or ecological comparisons across species.
Small animals that start with I
| Common name | Scientific name | Habitat | Typical adult mass/size | Description |
|---|---|---|---|---|
| Inca tern | Larosterna inca | coastal rocky shores (Peru, Chile) | 150–200 g | Striking dark-grey tern with a white facial moustache; coastal seabird of Peru and Chile, not a pet. Lifespan ~10–12 years. |
| Ivory gull | Pagophila eburnea | high Arctic sea ice, coastal waters | 350–500 g | Small, all-white Arctic gull often near pack ice; scavenger and specialist of cold seas. Lifespan ~10–15 years. |
| Inca dove | Columbina inca | open scrub and urban areas (Americas) | 45–55 g | Small, long-tailed dove common in arid and suburban areas; often seen at feeders. Lifespan ~5–10 years. |
| Indian palm squirrel | Funambulus palmarum | urban gardens, parks, woodlands (South Asia) | 120–200 g (20–25 cm) | Diurnal tree squirrel often kept as tolerated local wildlife; agile, vocal, lifespan ~2–5 years in wild. |
| Island fox | Urocyon littoralis | Channel Islands scrub and woodlands (California) | 1.4–3.8 kg | Small endemic fox of the Channel Islands, social and territorial; conservation concern. Lifespan 5–14 years. |
| Iriomote cat | Prionailurus iriomotensis | subtropical island forests (Iriomote Island, Japan) | 3–4.5 kg | Rare small wild cat endemic to one Japanese island; nocturnal predator. Lifespan ~8–10 years. |
| Iberian ribbed newt | Pleurodeles waltl | Mediterranean ponds, slow freshwater habitats | 20–30 cm (total length) | Large, robust newt from Iberia and Morocco; kept by some hobbyists. Lifespan ~10–15 years. |
| Iberian midwife toad | Alytes cisternasii | rocky streams and scrub (Iberian Peninsula) | 4–6 cm | Small terrestrial toad; males carry eggs on hind legs. Lifespan 4–12 years. |
| Imperial moth | Eacles imperialis | deciduous forests, woodlands (North America) | wingspan 9–16 cm | Large colorful Saturniid moth; adults live briefly (1–2 months) and larvae feed on trees. |
| Isabella tiger moth | Pyrrharctia isabella | meadows, gardens, fields (North America) | wingspan 3–6 cm | Moth whose caterpillar is the familiar “woolly bear.” Adults live a few weeks. |
| Indigo bunting | Passerina cyanea | brushy fields and woodland edges (North America) | 13–20 g (11–13 cm) | Bright blue male seed-eating songbird, commonly seen at edges and shrubby habitats. Lifespan 2–8 years. |
| Indian flying fox | Pteropus medius | tropical forests and urban roosts (South Asia) | 600–1,200 g | Large fruit bat often seen in city roosts; important seed disperser. Lifespan 15–30 years. |
| Indian fox | Vulpes bengalensis | grasslands and scrub (South Asia) | 1.5–4 kg | Small, slender fox adapted to open country; not a pet. Lifespan ~6–7 years in wild. |
| Island night lizard | Xantusia riversiana | island scrub, rocky cover (Channel Islands) | 7–13 cm (snout–vent) | Small secretive lizard endemic to Channel Islands; surprisingly long-lived, up to 30+ years. |
| Island scrub-jay | Aphelocoma insularis | island oak scrub (Santa Cruz Island, California) | 80–100 g (26–30 cm) | Endemic jay with limited range; bold and curious, studied for island ecology. Lifespan ~8–11 years. |
| Isabelline shrike | Lanius isabellinus | open dry habitats, steppes (Eurasia) | 30–45 g (17–21 cm) | Small predatory songbird that impales prey on thorns; migratory in parts of its range. Lifespan 2–4 years. |
| Isabelline wheatear | Oenanthe isabellina | open dry habitats and steppes (Eurasia) | 20–40 g (14–16 cm) | Ground-dwelling insectivorous passerine, migratory for wintering. Lifespan 2–5 years. |
| Indian ringneck | Psittacula krameri | woodlands and urban areas (South Asia; introduced elsewhere) | 120–170 g (36–40 cm incl. tail) | Popular parakeet in the pet trade; colorful and vocal. Lifespan 20–30 years in captivity. |
| Indian roller | Coracias benghalensis | open country, trees and roadside perches (South Asia) | 75–140 g (25–30 cm) | Brightly colored bird often seen perched conspicuously; culturally significant in South Asia. Lifespan ~6–8 years. |
| Indian pitta | Pitta brachyura | moist forest undergrowth (South and Southeast Asia) | 80–110 g (17–20 cm) | Stocky, colorful ground-dwelling bird; migratory in parts of range. Lifespan ~5–8 years. |
| Indian bullfrog | Hoplobatrachus tigerinus | ponds, marshes, rice fields (South Asia) | 200–500 g (10–18 cm) | Large terrestrial frog commonly found near water; sometimes consumed locally. Lifespan ~5–12 years. |
| Italian wall lizard | Podarcis siculus | rocky walls, ruins, urban areas (Mediterranean) | 15–30 cm (total length) | Common adaptable lizard of southern Europe; often seen on walls and rocks. Lifespan ~3–7 years. |
| Icterine warbler | Iduna icterina | deciduous woodlands and scrub (Europe, Asia) | 10–15 g (11–13 cm) | Slender migratory warbler with melodious song; breeds across Eurasia. Lifespan ~2–4 years. |
| Imperial amazon | Amazona imperialis | montane rainforest (Dominica) | 400–600 g | Rare, colorful parrot endemic to Dominica; popular in aviculture historically but now protected. Lifespan 40–60 years. |