title: Hamster ( <i>Cricetus cricetus</i> ) and ground squirrel ( <i>Spermophilus citellus</i> ) in the metropolitan area of Vienna, Austria: Urban development vs. species protection
abstract: Abstract Although European hamsters and European ground squirrels are listed as critically endangered on the IUCN Red List of Threatened Species , their habitats are becoming increasingly smaller due to the rapid expansion of the city of Vienna. The distribution of both species over the period 2000–2023 was documented by compiling a map based on georeferenced data from scientific monitoring and citizen science collections. Based on this, the population sizes in the metropolitan area of Vienna we
journal: bioRxiv (Cold Spring Harbor Laboratory)