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,
Rachel (given name) Rachel (given name) Rachel (); also spelled Rachael, meaning "ewe") is a feminine given name. It is best known as the name of Biblical Rachel. The name ranks in the top hundred most popular names for girls in the United States, Canada, United Kingdom, Ireland, and Australia as well as in Israel. According to United States Social Security card applications in 2005, the name Rachel ranked 38th out of the top 100 names chosen by parents for their baby girls. Statistics for England and Wales from the Office for National Statistics show a decline in popularity of the name: it