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Hong Kong

Aliens In Hong Kong

Believe it or not? Aliens are everywhere in Hong Kong. There must be some around you. Of course, I am talking about alien species – the species introduced outside their original distributions. From house cockroaches, apple snails, fire ants, to vertebrate as below. These are all not native to Hong Kong.

Asian water dragon (Physignathus cocincinus)

Whether if the Water monitor (Varanus salvator) is a native or introduced species is not confirmed. But many believe it is an introduced species.

Over 10-12 species of freshwater turtles can be found in the wild in Hong Kong. But only 5 of them are native.

  • Yellow pond turtle (Mauremys mutica)
  • Chinese stripe-necked turtle (Ocadia sinensis)
  • Red-eared Slider (Trachemys scripta elegans)
  • Alligator snapping turtle (Macrochelys temminckii)
  • Common snapping turtle (Chelydra serpentina)

Also the Chinese box turtle (Cuora flavomarginata) and Amboina box turtle (Cuora amboinensis)

Birds introduced to Hong Kong includes:

  • Rock pigeon (Columba livia),
  • Asian emerald dove (Chalcophaps indica),
  • Rose-ringed parakeet (Psittacula krameri),
  • Azure-winged magpie (Cyanopica cyanus),
  • House crow (Corvus splendens),
  • Huet’s fulvetta (Alcippe hueti),
  • Silver-eared mesia (Leiothrix argentauris),
  • Common myna (Acridotheres tristis)

And the critically endangered Yellow-crested cockatoo (Cacatua sulphurea)

Mammals introduced to Hong Kong includes:

  • Domestic cat,
  • Domestic dog,
  • Domestic ox,
  • Domestic water buffalo,
  • Long-tailed macaque,

And the only squirrel species in here – the Pallas’s squirrel (Callosciurus erythraeus)