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Animals That Start With “Y”

Browse 8 verified species whose common names begin with the letter Y.

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Yellow Anaconda

Yellow Anaconda

Eunectes notaeus

Diet: Carnivore and opportunistic ambush predator
Wild lifespan: Often estimated at 15–20 years in the wild and more than 20 years under expert care

Yellow Baboon

Yellow Baboon

Papio cynocephalus

Diet: Highly flexible omnivore with a plant-heavy diet
Wild lifespan: Females may reach 27 years in the wild; exceptional captive animals can live longer

Yellow Tang

ActinopterygiiLC

Yellow Tang

Zebrasoma flavescens

Diet: Primarily herbivorous reef grazer
Wild lifespan: Up to roughly 41 years estimated in Hawaiian studies

Yellow-bellied Marmot

Yellow-bellied Marmot

Marmota flaviventris

Diet: Primarily herbivorous grazer and browser
Wild lifespan: Commonly several years; exceptional wild individuals can exceed 15 years

Yellow-Bellied Sea Snake

Yellow-Bellied Sea Snake

Hydrophis platurus

Diet: Carnivore
Wild lifespan: Not well established in the wild

Yellow-bellied Slider

Yellow-bellied Slider

Trachemys scripta scripta

Diet: Omnivore, becoming more plant-focused with age
Wild lifespan: Often 20–30 years and potentially longer under favorable conditions

Yellow-crowned Night Heron

Yellow-crowned Night Heron

Nyctanassa violacea

Diet: Carnivorous crustacean specialist
Wild lifespan: At least 6 years 3 months recorded in the wild

Yellow-eyed Penguin

Yellow-eyed Penguin

Megadyptes antipodes

Diet: Marine carnivore specializing in fish and cephalopods
Wild lifespan: Average survival is much shorter, but some individuals live 20–25 years