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 Peyton came into the top 1000 as a female given name for babies in the United States for the first time in 1992 (at #583), immediately after it was featured as the name of an evil nanny in the film "The Hand That Rocks the Cradle". On the other hand, historical events can influence child-naming. For example, the given name Adolf has fallen out of use since the end of World War II in 1945. In contrast with these anecdotal evidence, a comprehensive study of Norwegian first name datasets shows that the main factors that govern first name dynamics are