Spoonbills are a genus, Platalea, of large, long-legged wading birds. 

Pelecanus: Greek pelekan, pelekanos pelican.

Threskiornis Greek threskeia religious worship (threskeuo to worship); ornis bird. 
The Sacred Ibis Threskiornis aethiopicus was venerated by the ancient Egyptians for its crescent-shaped bill and bright white plumage. They considered it to represent Thoth the moon god.

Platalea: from Ancient Greek and meaning "broad", referring to the shape of the bill.

1/ Black-faced spoonbill (Cò thìa, Platalea minor)
2/ Eurasian spoonbill (Cò thìa Á Âu, Platalea leucorodia), or common spoonbill
leucorodia is from Ancient Greek leukerodios: leukos, "white" and erodios "heron".