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Orange-tailed Agile Salamander

Pseudoeurycea ruficauda

Orange-throated Tanager

Wetmorethraupis sterrhopteron

orange-tipped grasshopper

Omocestus haemorrhoidalis

Orangeblack Hawaiian Damselfly

Megalagrion xanthomelas

Orangefin Madtom

Noturus gilberti

Orbiculus Leaf-nosed Bat

Hipposideros orbiculus

Orchard Tooth

Sarcodontia setosa

Orchard Tooth

Sarcodontia crocea

Orchid

Vanda tricolor

Oregon Giant Earthworm

Driloleirus macelfreshi

Oregon Slender Salamander

Batrachoseps wrighti

Oregon Spotted Frog

Rana pretiosa

Oregon Sunburst Lichen

Xanthomendoza oregana

Orejas-Miranda Redbelly Toad

Melanophryniscus pachyrhynus

Orellana's Collared Frog

Mannophryne orellana

Coregonus trybomi

Organ Mountains Robber Frog

Ischnocnema gualteri

Oriental Meadow Brown

Hyponephele lupinus

Oriental Stingaree

Urolophus aurantiacus

Oriental Stork

Ciconia boyciana

Oriental Sweetgum

Liquidambar orientalis

Oriente Coastal Frog

Eleutherodactylus etheridgei

Oriente Dark-bellied Frog

Eleutherodactylus intermedius

Oriente Greenish-yellow Frog

Eleutherodactylus principalis

Oriente Mottled Frog

Eleutherodactylus simulans