The Western Crowned Pigeon, also known as the Common Crowned Pigeon or Blue Crowned Pigeon, Goura cristata, is a large, blue-grey

Grey

Grey or gray is an achromatic or neutral color.Complementary colors are defined to mix to grey, either additively or subtractively, and many color models place complements opposite each other in a color wheel. To produce grey in RGB displays, the R, G, and B primary light sources are combined in...

 pigeon with blue lacy crests over the head and dark blue mask feathers around its eyes. Both sexes are almost similar but males are often larger than females. It is on average 70 cm (28 in) long and weighs 2,100 grams (4.6 lbs).

Along with its close and very similar looking relatives the Victoria Crowned Pigeon

Victoria Crowned Pigeon

The Victoria Crowned Pigeon, Goura victoria, is a large, bluish-grey pigeon with elegant blue lace-like crests, maroon breast and red iris. The bird may be easily recognized by the unique white tips on its crests. Both sexes are similar. It is on average 74 cm long and weighs 2,384 grams...

 and the Southern Crowned Pigeon

Southern Crowned Pigeon

The Southern Crowned Pigeon, Goura scheepmakeri, is a large, terrestrial pigeon confined to southern lowland forests of New Guinea. It has a bluish-grey plumage with elaborate blue lacy crests, red iris and very deep maroon breast. Both sexes have a similar appearance...

, it is one of the largest and is considered one of the most beautiful members of the pigeon family.