The Manila Times

Cities can be a safe haven for endangered species

- PHOTO BY PHYS.ORG BEN KRITZ

ENDANGERED animals can sometimes flourish in urban areas, researcher­s from Hong Kong and Australia found in a recent study published in Frontiers in Ecology and the Environmen­t.

The researcher­s explained that the is helping some of them survive in relative safety.

“Across the planet, poachers have reached into the last remote habitats to harvest wildlife population­s used for clothing, eaten, or kept as pets in faraway cities,” said Dr. Luke Gibson from the School of Biological Sciences of the University of Hong Kong, who led the study.

“In some cases, the traded organisms have escaped and are now thriving in their introduced habitats,” he added.

In their study, the authors identi those listed by the Internatio­nal Union for the Conservati­on of Nature as vulnerable, endangered, have establishe­d introduced population­s outside their native areas. These include amphibians, reptiles, mammals, and birds, as well as insects and plants, with introduced population­s found on all continents except Antarctica.

One example is the yellow-crested cockatoo, critically endangered due

Some endangered species, such as this yellow- crested cockatoo, are thriving in urban areas as a result of the illicit wildlife trade, researcher­s in Hong Kong and Australia found in a recent study. to capture for the pet trade. Ironically, many of these pet birds were accidental­ly or deliberate­ly released in their new environmen­ts. The study said that currently, about 200 yellow-crested found on Hong Kong Island, mostly between Pokfulam and Happy Valley.

“This is a key example of how conservati­on of globally threatened species,” said co-author Yong Ding Li, a PhD student at the Australian National University.

Reintroduc­tion of this species to its native range in Indonesia and East Timor could help to buffer population­s there, which are rapidly declining due to poaching, Li explained. As an option, collecting the introduced cockatoos in Hong Kong to trade as pets could offset demand from the bird’s native range.

Both approaches could also eliminate threats the introduced population might pose to native species in the new environmen­t, such as monopolizi­ng nesting sites and triggering population declines of local birds.

Combined, augmenting declining population­s in their native ranges and eliminatin­g the threats to native ecosystems could “save two birds with one stone,” Gibson said.

“This creative tactic could be essential to save species imperiled by wildlife trade as well as eliminate threats the same species pose in their adopted territorie­s,” he added.

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UNEXPECTED REFUGE

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