Birdsong field guide
Northern Jacana
Jacana spinosa
A distinctive tropical wading bird specialized for life on floating vegetation, notable for its exceptionally long toes and unusual polyandrous mating system.
What it sounds like
A series of loud, harsh, and metallic cackles or rattling notes, often described as a sharp 'keer-keer-keer'.
Reference call, compare with what you heard
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Field notes
- Possesses sharp, yellow carpal spurs on the bend of each wing used for territorial defense and fighting.
- Practices polyandry, a rare social structure where one female defends a territory and mates with several males.
- The males perform all parental duties, including incubating the eggs and brooding the chicks under their wings.
- Its extremely elongated toes distribute body weight, allowing it to walk across lily pads without sinking.
- While appearing mostly dark when perched, it reveals brilliant greenish-yellow flight feathers during its low, fluttering flight.
Habitat
Freshwater marshes, ponds, and lake edges with abundant floating vegetation like water lilies.
Range
Coastal Mexico and Central America, ranging from the Rio Grande Valley in Texas to western Panama.
Similar & commonly confused birds
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