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Feral Dogs Of The Galapágos Islands: Impact And Control, Bruce D. Barnett, Robert L. Rudd
Feral Dogs Of The Galapágos Islands: Impact And Control, Bruce D. Barnett, Robert L. Rudd
Ecology Collection
Organisms introduced onto insular ecosystems, after they have become established, frequently increase to destructive numbers. Several species of mammals introduced onto the Galapagos Islands illustrate this ecological axiom. For example, domestic dogs intentionally introduced now exist as three major types: domestic, free--ranging or pariah, and feral. Problems derived from their presence are most apparent on the islands of Santa Cruz and lsabela. Feral and pariah dogs are both scavengers and predators. While other introduced mammals (chiefly feral cattle and pigs) have served as prey, in recent years severe depredations on the unique endemic Ga/apagan fauna have been caused by the …