Lemur, Mongoose, Norwhale, Orangatang, Pheasant,

Queen Bee, Rat, Snake, Turtle, Urothemis (A type of Dragon Fly), Vole,

Whale, X-men (fictional futurist human mutants), Yak, Zebra

Here’s all the Endangered animals whose names star with “X”, in Latin:

Xanthomyza phrygia — Regent Honeyeater

Xenoclarias eupogon — Lake Victoria deepwater catfish

Xenoglaux loweryi — Long-whiskered Owlet, Chevêchette Nimbée, Búho Pequeño De Bigotes Alargados, Mochuelo Peludo

Xenoophorus captivus — Solo Goodeido

Xenoperdix udzungwensis — Udzungwa Forest-partridge, Xénoperdrix De Tanzanie, Perdiz De Udzungwa

Xenophrys brachykolos — Short-legged Horned Toad

Xenopirostris damii — Van Dam’s Vanga

Xenopoecilus oophorus — Egg-carrying Buntingi

Xenopoecilus poptae — Popta’s Buntingi

Xenopoecilus sarasinorum

Xenopus gilli — Cape Clawed Toad, Cape Platanna, Gill’s Platanna

Xenopus longipes — Lake Oku Clawed Frog

Xenospiza baileyi — Sierra Madre Sparrow

Xerosecta giustii

Xipholena atropurpurea — White-winged Cotinga, Cotinga Porphyrion, Cotinga À Ailes Blanches, Cotinga Aliblanca

Xiphophorus couchianus — Monterrey platyfish, Platy Monterrey, Porte-épée De Monterrey, Xifo De Couch

Xiphophorus gordoni — Platy Cuatro Cienegas

Xiphophorus meyeri — Platy De Muzquiz

Xylotoles costatus — Pitt Island Longhorn Beetle

Xyrauchen texanus — Razorback Sucker

Xystichromis nuchisquamulatus

Xystichromis phytophagus

Xystichromis sp. nov. ‘Kyoga flameback’