The Guam Micronesian Kingfisher

an endangered animal of Guam


  • Both male and female birds have a blue/greenish back and wings
  • They are about 9 inches (22 centimeters) tall
  • Males have a cinnamon colored head and chest
  • Females have a paler head and a white chest
  • They have a loud, raspy, distinct call that can be heard from afar


  • Weights about 60 grams.
  • They have a large head, a short neck and tail, weak feet, and a straight, strong bill that is flattened on the top and bottom.



  • Catches prey by perching motionless then swooping down to the ground to catch the prey with its beak once it has spotted it
  • They are very aggressive and territorial


  • Nested and slept in tree cavities


  • They can display a threat posture by pointing their head upward, holding wings away from body, and pointing their tail straight down



  • They are Forest dwelling birds
  • Flourished in Guam's limestone forests and coconut plantations


Food Chain

  • Eats insects, small reptiles, like lizards and fish
  • Is eaten by the Brown Tree Snake



  • Endangered because of the introduction of the Brown Tree Snake into their habitat
  • The Brown Tree Snake has been raiding the Guam Micronesian Kingfishers' nests which lead to a decrease in population
  • It is now extinct in the wild and can only be found in captivity



  • Being held in captivity in many zoos and in Guam
  • Hasn't been reestablished in the wild, but plans are underway


Guam Kingfishers - World of Birds - Bronx Zoo

Works Cited for Photos

Gaillard, Ed. Tree hollow, Central Park. 2008. Photograph. flickr, New York

City. Web. 18 Apr 2013.


Lannert, Kenny. Guam Micronesian Kingfisher (male). 2008. Photograph.

flickr, Chicago. Web. 18 Apr 2013.


Wynn, Alan. Brown Tree Snake - Boiga irregularis. 2008. Photograph.

flickrWeb. 18 Apr 2013.