Bohaiornithidae of sexual dimorphism, with the feathers being used by male members of a species for courtship display. A subadult specimen of an indeterminate bohaiornithid described in 2017 preserved feathers on various parts of the head and body which were analyzed and determined to have been iridescent in life. A referred adult specimen of "Bohaiornis" was preserved with a several rocks concentrated in the stomach region. Rocks in the stomach of birds and other animals are often believed to be gastroliths swallowed to assist in the digestion of plant material. However, the rocks apparently swallowed by this specimen are much larger,
Given name make them seem decidedly unfeminine to Europeans accustomed to Indo-European tendencies to end masculine names in "o". In many Westernised Asian locations, many Asians also have an unofficial or even registered Western (typically English) given name, in addition to their Asian given name. This is also true for Asian students at colleges in countries such as the United States, Canada, and Australia as well as among international businesspeople. Most names in English are traditionally masculine or feminine, but there are unisex names as well, such as Jordan, Jamie, Jesse, Alex, Ash, Chris/Kris, Hilary/Hillary, Kim, Leslie/Lesley, Joe/Jo, Jackie, Pat, Dana, or