Large American heron having bluish-grey plumage WordNet 3.0 & Open English WordNet

The great blue heron is a large wading bird in the heron family Ardeidae, common near the shores of open water and in wetlands over most of North and Central America, as well as far northwestern South America, the Caribbean and the Galápagos Islands. Wikipedia

A large wading bird Wikipedia Disambiguation

Species of bird Wikidata

A large wading bird of the species Ardea herodias. Wiktionary

Ardea herodias. Wiktionary (translation)