
1) Adult in the kiddie pool 2) Aquatic bird 3) Bit of fishing attire 4) Boat-billed heron 5) Cautious bather 6) Certain boot 7) Crane or heron 8) Fishing boot 9) Flamingo 10) Fly fisherman, often 11) He may be fording 12) Heron 13) Heron or egret 14) Heron or flamingo 15) Heron or ibis 16) High boot
Found on
https://www.crosswordclues.com/clue/wader

1) Boot 2) Bustard 3) Chunga 4) Courlan 5) Flamingo 6) Hemipode 7) Heron 8) Ibis 9) Limpkin 10) Ortygan 11) Seriema 12) Shoebill 13) Shoebird 14) Shorebird 15) Spoonbill 16) Stork
Found on
https://www.crosswordclues.com/clue/wader

Waders, called shorebirds in North America (where `wader` is used to refer to long-legged wading birds such as storks and herons), are members of the order Charadriiformes, excluding the more marine web-footed seabird groups. The latter are the skuas (Stercorariidae), gulls (Laridae), terns (Sternidae), skimmers (Rynchopidae), and auks (Alcidae).....
Found on
http://en.wikipedia.org/wiki/Wader

• (n.) Any long-legged bird that wades in the water in search of food, especially any species of limicoline or grallatorial birds; -- called also wading bird. See Illust. g, under Aves. • (n.) One who, or that which, wades.
Found on
http://thinkexist.com/dictionary/meaning/wader/
Wad'er noun 1. One who, or that which, wades.
2. (Zoology) Any long-legged bird that wades in the water in search of food, especially any species of limicoline or grallatorial birds; -- called also
wading bird . See
Illust. g , under
Aves .
Found on
http://www.encyclo.co.uk/webster/W/1

Denotes all sandpipers and relatives in the order Charadriiformes. The term is synonymous with shorebird, an alternative term often used widely in the Americas for this group of birds.
Found on
http://www.kuwaitbirds.org/birding/glossary

One of a group of long-legged birds usually associated with marshland, mudflats or shallow water, such as Curlew, Common Sandpiper or Avocet. The exception to this rule is the Woodcock, which still requires soft ground in which to probe for food with its long bill, but nests in woodland.
Found on
https://www.birdfood.co.uk/glossary
No exact match found.