Egret
crane
penguin pelican
American Bittern
Canary is a bird. Cassowary is a bird.
stork
crane
Phalarope
The Oriole is a bird that begins with letters or. The Oriental White Stork also begins with the letters or.
The name of the wading bird that fits that description is "Avocet."
For the Telegraph Crosword !!........OYSTERCATCHER
If the s here indicates a plural, then rails are wading birds that have a 5-letter name ending in s. (The word rail is obviously a 4-letter word.)
There are many African wading birds. It could be an Ibis or an Egret.
Little AUK
penguin pelican
a loon
American Bittern
Phoenicopterus is another name for the wading bird, called the flamingo.