Stopping the Silent Invasion
Report a Pest: 643-PEST
Hawaii residents are urged to use the Pest Hotline to promptly report sightings of invasive pests such as snakes, unusually aggressive stinging ants, and illegal or unknown animals.
Call 643-PEST (643-7378)
What's This?

Red-vented Bulbul (Pycnonotus cafer)

Importation into Hawaii is prohibited by Hawaii Administrative Rules. Considered a Hawaii State Injurious Species, it is prohibited to release Injurious Species into the wild; transport them to islands or locations within the State where they are not already established; or export outside the State.

Description:

  • Bird with a black body, head and eyes, lighter gray underside, with patch of bright red feathers under tail
  • About 20 cm (8.5 in) long
  • Male & females look similar
  • The only black bird in Hawaii with a crest on its head like a cardinal's crest
  • Native to Asia, from Pakistan to China, introduced to Hawaii as pets and illegally released into the wild in the mid 1950's on Oahu.

Harm:

  • A major pest of agriculture and gardens. Feeds on fruits, vegetables, flower buds, and insects.
  • Cost $300,000 in damages to orchids per year on Oahu
  • Spreads the seeds of invasive plants, including miconia, ivy gourd and false kava.
  • Aggressively chases other birds and competes with them for food and space. There is concern that they may compete with native birds where they co-exist.

Where is it invading?

  • Kauai: Not known to be present. All sightings should be reported to KISC or HDOA.
  • Oahu: Present in large numbers island-wide. Residents and agencies should prevent transport to neighbor islands.
  • Maui: Not known to be present. All sightings should be reported to MISC or DOFAW.
  • Big Island: Several sightings around the Mauna Lani area on the Kona side, sighting near Hilo. All sightings should be reported to BIISC or HDOA.

For more information, see:

© 2008 Hawaii Invasive Species Partnership