Breakdown of museum specimens, according to Vertnet database

• 491,156 specimen records under genus 'Peromyscus' representing 146 unique species names (this includes true species, hybrids, outdated taxonomy, etc.)
• Table of most common species (n > 500). These specimens come from 76 unique institutions

Institutions with the most (n > 10,000) specimen records, in order:

1. University of New Mexico Museum of Southwestern Biology (89,091)
2. University of Michigan Museum of Zoology (51,010)
3. Smithsonian National Museum of Natural History (38,253)
4. UC Berkeley Museum of Vertebrate Zoology (34,618)
5. University of Kansas Natural History Museum (25,487)
6. Museum of Texas Tech University (20,748)
7. American Museum of Natural History (19,325)
8. University of Oklahoma Museum of Natural History (16,894)
9. Texas Cooperative Wildlife Collection (14,424)
10. Los Angeles County Natural History Museum (13,921)
11. Natural History Museum of Utah (13,112)
12. Fort Hays Sternberg Museum of Natural History (12,576)
13. University of Washington Burke Museum (11,763)

Distribution maps of common species: