· Snares-crested Penguin
· Snow Petrel
· Snowy Owl
Xenops is a bird. Xantus is a hummingbird.
egret
Flamingo
American Bittern
· Vulture · Vanga · Vireo
Seagull Swallow Swift Starling
oriole
It could be the Gallinule.
The scientific name for the element Sn is tin, with the chemical symbol Sn, and atomic number 50.
golden finch
Pellican
The Sn is for Tin's Latin name, Stannum,