howler monkeys
alouatta latin

They had seen several howler monkeys already on their trip.

At least eight families of howler monkeys have been identified.

Across the river, high up in the trees, we saw a troop of black howler monkeys.

The sound set off a band of howler monkeys on the left shore.

Same goes for the howler monkeys, who howled too late.

The air soon became muggy and filled with the sounds of howler monkeys.

Somewhere a group of howler monkeys shrieked out their presence.

Bird calls and growlings of howler monkeys off in the forest.

Listen for the roar of howler monkeys at the cave entrance.

At the top, I come face-to-face with a troupe of howler monkeys.

Howler monkeys are widely considered to be the loudest land animal.

The area is rich in wildlife, including several species of heron and black howler monkeys.

Once again I heard the unearthly roar of the howler monkeys high in the trees.

In the evenings she can hear the howler monkeys and watch their young swinging from one branch to another.

I had visions of observing a group of howler monkeys.

The hoots and cries of howler monkeys greeted the light.

And contrary to expectation, we were not woken at 4am by the howler monkeys.

In many areas, tapirs, howler monkeys and parrots are already gone.

In the distance, the howler monkeys' soft roar, each night, clouds, and I don't want anything more.

Howler monkeys, Evaristo said, adding that the local people say they call when the weather is about to change.

Howler monkeys, too, have a taste for things fermented.

In the distance, howler monkeys roared, more like lions than apes.

However, deforestation has had dramatic effects on the local environment, with howler monkeys occasionally seen in the city itself as they look for food.

Loud shrieks from howler monkeys greeted the last of the daylight.

The forest around these temples is still home to howler monkeys (whom you .

This species was decimated by a yellow fever epidemic in 1956/1957 that swept through the Alouatta population throughout most of the country.

This species had an ulna that compares to the extinct members of the genus Alouatta.

Humboldt had never seen a live animal of this species nor a preserved specimen, and believed it belonged to the genus Alouatta.

This region is also the northernmost extent of the primate Alouatta palliata, or mantled howler.

The diurnal Alouatta seniculus is an arboreal primate, so it spends much of its time high in the canopy.

"Alouatta, Ateles, and the ancient Mesoamerican cultures."

The mantled howler's appearance is similar to other howler monkeys of the genus Alouatta except for coloration.

The fauna also includes the Black Howler Monkey (Alouatta caraya).

Physiological Characteristics of the Genus Alouatta.

The hyoid of Alouatta is pneumatized, one of the few cases of postcranial pneumaticity outside Saurischia.

In contrast, with the exception of Alouatta and Aotus, all platyrrhines (New World monkeys) are allelic or polymorphic trichromats.

Predominant among these and very easily spotted by visitors are the Howler (Alouatta palliata) and the White-face (Cebus capuchinus) monkeys.

Group Size and Composition Influence Male and Female Reproductive Success in Black Howler Monkeys (Alouatta pigra).

It also harbors the last populations of the Red-handed Howler Monkey (Alouatta belzebul) and Blond capuchin (Sapajus flavius) in the Atlantic Forests.

The courses center on the two native primate species of the area: white-faced capuchin monkeys (Cebus capucinus) and Mantled Black Howler Monkeys (Alouatta palliata).

Demographic Survey of Black Howler Monkey (Alouatta pigra) in the LachuaÂ' Eco-Region in Alta Verapaz, Guatemala.

The ecoregion is home to several threatened species endemic to the Atlantic forests, including the Brown Howler Monkey (Alouatta guariba) and the Red-spectacled Parrot (Amazona pretrei).

Use of Mineral Licks by White-Bellied Spider Monkeys (Ateles belzebuth) and Red Howler Monkeys (Alouatta seniculus) in Eastern Ecuador.

However, there are unusual instances of postcranial pneumaticity outside Archosauria; the hyoid in the howler monkey Alouatta is pneumatized, and the osteoglossiform fish Pantodon pneumatizes some vertebrae from its swim bladder.

Other theories include Brachyteles, Lagothrix and Ateles in an unresolved trichotomy, and two clades, one composed of Ateles and Lagothrix and the other of Alouatta and Brachyteles.

In 2006, a major review of the Brazilian members of the genus Alouatta was able to match some of the variations to geography (though further study was recommended), resulting in the recognition of the Spix's red-handed howler and Maranhão red-handed howler as species separate from the red-handed howler.