Common Name - -	Family : Order
Yacare caiman - -	Alligatoridae : Crocodilia
Yellow and black mud daubers - -	Sphecidae : Hymenoptera
Yellow bodied clubtail - -	Papilionidae : Lepidoptera
Yellow boring sponge - -	Clionidae : Clionaida
Yellow cave sponge - -	Aplysinidae : Verongiida
Yellow Clam - -	Veneridae : Venerida
Yellow cluster anemone - -	Parazoanthidae : Zoantharia
Yellow cururu toad - -	Bufonidae : Anura
Yellow cururu toad - -	Bufonidae : Anura
Yellow dog tick - -	Amblyommidae : Ixodida
Yellow dung fly - -	Scatophagidae : Diptera
Yellow fever mosquito - -	Culicidae : Diptera
Yellow field bell moth - -	Tortricidae : Lepidoptera
Yellow flower wasp - -	Scoliidae : Hymenoptera
Yellow fly - -	Tabanidae : Diptera
Yellow hedgehog sponge - -	Polymastiidae : Polymastiida
Yellow horny coral - -	Gorgoniidae : Gorgonacea
Yellow lattice sponge - -	Clathrinidae : Clathrinida
Yellow lobed sponge - -	Myxillidae : Poecilosclerida
Yellow mantella - -	Mantellidae : Anura
Yellow mealworm - -	Tenebrionidae : Coleoptera
Yellow mongoose - -	Herpestidae : Carnivora
Yellow oak button moth - -	Tortricidae : Lepidoptera
Yellow peach moth - -	Crambidae : Lepidoptera
Yellow polyps - -	Parazoanthidae : Zoantharia
Yellow porostome - -	Dendrodorididae : Nudibranchia
Yellow pot sponge - -	Acorinidae : Astrophorida
Yellow potato cyst nematode - -	Heteroderidae : Tylenchida
Yellow prickly branching sponge - -	Pseudoceratinidae : Verongiida
Yellow prickly branching sponge - -	Pseudoceratinidae : Verongiida
Yellow prickly branching sponge - -	Pseudoceratinidae : Verongiida
Yellow prickly sponge - -	Aplysillidae : Dendroceratida
Yellow rice stemborer - -	Crambidae : Lepidoptera
Yellow scale - -	Diaspididae : Homoptera
Yellow sea pen - -	Veretillidae : Pennatulacea
Yellow sea rod - -	Plexauridae : Alcyonacea
Yellow sea squirt - -	Cionidae : Phlebobranchia
Yellow sea whip - -	Gorgoniidae : Gorgonacea
Yellow shadow ant - -	Formicidae : Hymenoptera
Yellow sponge - -	Desmanthidae : Bubarida
yellow spotted fire salamander - -	Salamandridae : Caudata
Yellow sugarcane aphid - -	Aphididae : Homoptera
Yellow tip - -	Pieridae : Lepidoptera
Yellow toad - -	Bufonidae : Anura
Yellow tortrix - -	Tortricidae : Lepidoptera
Yellow tree coral - -	Tubiporidae : Alcyonacea
Yellow tube sponge - -	Aplysinidae : Verongiida
Yellow turf ant - -	Formicidae : Hymenoptera
Yellow umbrella slug - -	Tylodinidae : Umbraculida
Yellowbanded day sphinx - -	Sphingidae : Lepidoptera
Yellow-banded polypore darkling beetle - -	Tenebrionidae : Coleoptera
Yellow-banded timber beetle - -	Scolytidae : Coleoptera
Yellow-bellied house gecko - -	Gekkonidae : Squamata
Yellow-bellied toad - -	Bombinatoridae : Anura
Yellow-belly flounder - -	Pleuronectidae : Pleuronectiformes
Yellowbelly puffer - -	Tetraodontidae : Tetraodontiformes
Yellow-bowed longhorn beetle - -	Cerambycidae : Coleoptera
Yellow-brown diving beetle - -	Dytiscidae : Coleoptera
Yellow-collared scape moth - -	Ctenuchidae : Lepidoptera
Yellow-dusted cream moth - -	Geometridae : Lepidoptera
Yellow-edged cadlina - -	Cadlinidae : Nudibranchia
Yellow-edged frost lichen - -	Physciaceae : Caliciales
Yellow-eyed mullet - -	Mugilidae : Mugiliformes
Yellow-faced bee - -	Colletidae : Hymenoptera
Yellow-faced bell moth - -	Tortricidae : Lepidoptera
Yellowfin puffer - -	Gobiidae : Gobiiformes
Yellowfin puffer - -	Tetraodontidae : Tetraodontiformes
Yellowfin whiting - -	Sillaginidae : Perciformes
Yellowheaded fireworm - -	Tortricidae : Lepidoptera
Yellow-headed lichen moth - -	Erebidae : Lepidoptera
Yellow-headed poison frog - -	Dendrobatidae : Anura
Yellowheaded spruce sawfly - -	Tenthredinidae : Hymenoptera
Yellow-horned horntail - -	Siricidae : Hymenoptera
Yellowish elongate chafer - -	Scarabaeidae : Coleoptera
Yellowlegged clearwing - -	Sesiidae : Lepidoptera
Yellow-legged mining-bee - -	Andrenidae : Hymenoptera
Yellow-legged velvetback - -	Carabidae : Coleoptera
Yellow-line quaker moth - -	Noctuidae : Lepidoptera
Yellow-lined thorn - -	Geometridae : Lepidoptera
Yellowmarked caterpillar - -	Noctuidae : Lepidoptera
Yellownecked caterpillar - -	Notodontidae : Lepidoptera
Yellownecked dry-wood termite - -	Kalotermitidae : Isoptera
Yellowside ground beetle - -	Carabidae : Coleoptera
Yellow-spot lift moth - -	Heliozelidae : Lepidoptera
Yellow-spot twist moth - -	Tortricidae : Lepidoptera
Yellow-spotted brittle star - -	Ophiocomidae : Ophiacanthida
Yellow-spotted buprestid - -	Buprestidae : Coleoptera
Yellow-spotted longicorn beetle - -	Cerambycidae : Coleoptera
Yellowstripe barracuda - -	Sphyraenidae : Istiophoriformes
Yellow-striped flea beetle - -	Chrysomelidae : Coleoptera
Yellow-tail moth - -	Erebidae : Lepidoptera
Yellow-tail rockfish - -	Sebastidae : Perciformes
Yunnan pine moth - -	Lasiocampidae : Lepidoptera