Figure S1 from Senescence and the stress axis: a constraint or a trade-off of reproduction in mammals with fast and slow life histories

Figure S1. The North American geographical distribution of the five ground squirrel species used in our study: Arctic (Urocitellus parryii), Columbian (U. columbianus), Richardson's (U. richardsonii), Franklin's (Poliocitellus franklinii), and thirteen-lined (Ictidomys tridecemlineatus). The geographical sampling location for each species is given. Source: (IUCN 2020. The IUCN Red List of Threatened Species. Version 2020-2 https://www.iucnredlist.org.).