Current Population Size
Causes That Lead to Extinction in the Wild (Boyd & Houpt 2004) (Boyd & King 2011)
Only 50 or so mature Przewalski's horses live in the wild.
Managed care breeding and reintroduction efforts have helped the recovery of this species.
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Boyd & Houpt (2004)
Boyd & King (2011)
Gato et al. (2011)
King et al. (2015)