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The University of Alaska Museum of the North\'s Genomic Resources facility contains over 200,000 tissue samples from voucher specimens archived in the Mammalogy, Ornithology, Ichthyology and Entomology collections. Collection holdings can be searched on Arctos, a Collaborative Collection Management Solution. The geographic and taxonomic composition of the tissue collection is largely determined by the research interests of the museum curators and other local and regional biologists conducting research that involves specimen collection. It is the largest collection of such material from Alaskan species, with tissue samples dating back to 1936, though preserving fresh tissue did not become standard practice until the early 1990s. The storage facility consists of eight liquid nitrogen-cooled cryovats that maintain vapor-phase nitrogen at -170C (-274F).

The Ocean Genome Legacy Center (OGL) is a non-profit marine DNA and tissue repository dedicated to exploring and preserving the wealth of information contained in the genomes of endangered, rare, unusual and ecologically critical marine organisms. OGL’s mission is to collect, describe, and preserve genomes from marine species, and to make these materials widely available for scientific research. By providing secure storage and broad public access to genomic materials and a forum for sharing samples, data, and ideas, OGL aims to serve as a catalyst for research that can help to protect marine ecosystems and improve the human condition. Detailed data are available for each specimen listed in our public online catalog.

The Museum of Southwestern Biology (MSB), Division of Genomic Resources (DGR) is a centralized repository at the University of New Mexico (UNM) for cryogenic biological materials submitted from MSB divisions at the University of New Mexico and from other individuals and institutions worldwide. The MSB DGR collection archives cryogenically preserved samples of animal tissues, whole organisms such as embryos and parasites, and purified DNA and RNA for the MSB divisions of Mammals, Birds, Fishes, Herpetology, and Parasitology. The MSB DGR collection contains over 500,000 cryogenic samples of more than 250,000 specimens and 3,000 species, representing Mammals (92%), Birds (4%), Reptiles (1%), Fishes (1%), and a growing collection of associated endo- and ectoparasites (2%). The collection spans more than 30 countries, with particularly strong holdings from the Southwestern United States, Beringia, and Latin America. Tissues and museum specimens can be located online bysearching the Arctos collections database at https://arctosdb.org for each of the MSB divisions.

The zoology collections at the Denver Museum of Nature & Science house approximately 77,000 specimens or lots (Mammals ~21,000, Birds ~55,000, Parasites ~7500 lots, and Herps ~1,000). Tissues are available from these collections representing over 31,100 individual samples. Specimens records are published from Arctos to data portals such as iDigBio, SCAN, ORNIS, MANiS, VertNet, GBIF, GenBank, and BISON, among others. Founded in 1900, the Museum continues to evolve, expanding in both size and breadth of activities, as exhibits, programs, research, and collections continue to offer opportunities for discovery.