Abstract Background Habitat loss and fragmentation in the Sierra Madre Oriental (SMO) ecological corridor have negative impacts on the movement and distribution of mammalian species that are of great ecological and evolutionary importance. Part of the SMO ecological corridor that is located in the state of Hidalgo is less studied despite being a potential dispersal route for mammals. ... https://www.roneverhart.com/Calvin-Klein-CK21501-Eyeglasses-SOFT-TORTOISE-Clear-demo-lens/