Clarifying the systematics of an enigmatic avian lineage: what is a bombycillid?

Department of Biology, Black Hills State University, 1200 University Street, Spearfish, SD 57783-9053, USA Majorie Barrick Museum of Natural History, 4505 Maryland Parkway, University of Nevada, Las Vegas, NV 89154-4012, USA Department of Mammalogy and Ornithology, Natural History Museum, CP 6434, CH-1211 Geneva 6, Switzerland Natural History Museum and Biodiversity Research Center and Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA University of Alaska Museum, 907 Yukon Drive, Fairbanks, AK 99775, USA Bell Museum of Natural History, University of Minnesota, 1987 Upper Buford Circle, St. Paul, MN 55108, USA