What is a horned screamer?

Then, it glides and soars easily with outstretched neck, but its flights are usually short.

Named for the characteristic unicorn-like appendage on top of its head.



Over the course of their lives, these birds grow long, white spines of cartilage in the middle of their foreheads. © 1996-2015 National Geographic Society, © 2015- After particularly nasty encounters, scientists have even found pieces of spur Aside from their strange horns, these birds also possess some interesting anatomy below the surface. Found around freshwater marshes and rivers in Amazonian lowlands.

These air sacs sometimes collapse simultaneously when the horned screamer takes off, As its name suggests, this bird is also known for the loud calls it creates.
These are used to defend territory and battle with each other for mates. This gives this species its name. This structure is somewhat unique among birds and is not derived from a feather but is a cornified structure that is loosely attached to the skull and grows continuously while often breaking at its tip. Horned screamer definition is - a screamer (Anhima cornuta) of northern South America with a long slender yellowish white process resembling a horn on the forehead. Other articles where Horned screamer is discussed: screamer: The horned screamer (Anhima cornuta), of northern South America, has a slender, forward-curving, calcified spike on its forehead. The Horned Screamer is sedentary but juveniles and non-breeding birds perform post-breeding local movements.

This is a massive 84–95 cm (33–38 in) long, 3.5 kg (7.7 lbs) bird, with a small chicken-like bill. Soundling as if someone is using a giant plunger in the Venezuelan marshes, these are the mating calls of the Horned Screamer. Photograph by Joel Sartore, National Geographic Photo ArkPhotograph by Joel Sartore, National Geographic Photo Ark Dark gray and black overall with a scaly white neck and white belly. All rights reserved

Some birds possess horns approaching six inches in length. However, it takes off ponderously while performing heavy wing beats. No other birds on earth have anything like it.Unlike with rams and rhinos, the screamer’s horn doesn’t seem to be a weapon, because it is only loosely attached to the skull and known to While the horns are harmless, the screamers are not.

The crested screamer, or chaja (a name that comes from its cry; Chauna torquata), of open country in east-central South America, and the black-necked screamer (C. chavaria), of… Get kids back-to-school ready with Expedition: Learn! Michael Palin presents the Venezuelan horned screamer. The birds have also been observed nibbling While it can take some fighting to win a mate, a horned screamer partnership
The upperparts, head and breast are black, with white speckles on the crown, throat and wing coverts. Horned screamers are the unicorns of the bird world. Enormous, ungainly ogre of a bird. The main one is described as sounding like, “mo-coo-ca,” leading some indigenous peoples to call the birds “mahooka.” This call sounds a bit like a goose, a close relative of horned screamers.As herbivores, horned screamers spend much of the day grazing on grasses found in and around water. FLIGHT: The Horned Screamer is a good flier thanks to its long, broad wings. Horned screamers are the unicorns of the bird world.Over the course of their lives, these birds grow long, white spines of cartilage in the middle of their foreheads. There is a long spiny structure projecting forward from the crown. 2020 National Geographic Partners, LLC.


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