• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Northern Jacana - BirdForum Opus

Revision as of 22:18, 4 December 2017 by Deliatodd-18346 (talk | contribs) (Imp sizes. Attempt to disguise copied text. Pictures of female & Juvenile. Some extra info. References updated)
Adult
Photo by Reini
Costa Rica, February 2005
Jacana spinosa

Identification

Female
Photo by jeffworman
Sierpe River, Costa Rica, April 2017

17–23 cm (6¾-9 in); females are larger than the males

  • Black Head, neck, upper breast and upper mantle
  • Chestnut back and wing-coverts
  • Blackbelly
  • Greenish-yellow flight feathers
  • Yellow frontal plate, bill, legs and very long toes

Juveniles

  • White underparts
  • Brown upperparts
  • White head with a brown crown and eye stripe

Similar species

Wattled Jacana

Distribution

Juvenile
Photo by Stanley Jones
Catie Lake, Turrialba, Cartago Province, Costa Rica, February 2014

Southern 3/4 of Mexico
Central America from Belize and Guatemala to western Panama, and Cuba, Hispaniola and Jamaica in the West Indies (vagrant to Puerto Rico).

Taxonomy

Subspecies

There are 3 subspecies1:

  • J. s. gymnostoma:
  • North Mexico to Chiapas, Yucatán Peninsula and Cozumel Island
  • J. s. spinosa :
  • J. s. violacea:

Habitat

Shallow wetlands (permanent or seasonally flooded) with floating vegetation. .

Behaviour

The wings are often raised when walking on the ground or over floating vegetation.

Breeding

Polyandrous; the females defend 1–4 (usually 2) adjacent males and their territories. They construct a floating nest. The clutch consists of 4 black-marked brown eggs which are incubated by the male.

Diet

Their diet consists almost entirely of insects and other invertebrates, with addition of some plant material and seeds picked from the floating vegetation or the water's surface.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved Dec 2017)
  3. Wikipedia

Recommended Citation

External Links

Back
Top