Wild cat mimics monkey calls

Jul 08, 2010
Researchers from the Wildlife Conservation Society and the Federal University of Amazonas have documented a first for the Americas: a wild cat (specifically a margay) imitating a prey species in order to bring it within striking range. Credit: Tofoli/Rohe

In a fascinating example of vocal mimicry, researchers from the Wildlife Conservation Society (WCS) and UFAM (Federal University of Amazonas) have documented a wild cat species imitating the call of its intended victim: a small, squirrel-sized monkey known as a pied tamarin. This is the first recorded instance of a wild cat species in the Americas mimicking the calls of its prey.

The extraordinary behavior was recorded by researchers from the Wildlife Conservation Society and UFAM in the Amazonian forests of the Reserva Florestal Adolpho Ducke in Brazil. The observations confirmed what until now had been only anecdotal reports from Amazonian inhabitants of species—including jaguars and pumas—actually mimicking primates, agoutis, and other species in order to draw them within striking range.

The observations appear in the June issue of Neotropical Primates. The authors of the paper include: Fabiano de Oliveira Calleia of Projeto Sauim-de-Coleira/UFAM; Fabio Rohe of the Wildlife Conservation Society; and Marcelo Gordo of Projeto Sauim-de-Coleira/UFAM.

"Cats are known for their physical agility, but this vocal manipulation of species indicates a psychological cunning which merits further study," said WCS researcher Fabio Rohe.

Researchers first recorded the incident in 2005 when a group of eight pied tamarins were feeding in a ficus tree. They then observed a margay emitting calls similar to those made by tamarin babies. This attracted the attention of a tamarin "sentinel," which climbed down from the tree to investigate the sounds coming from a tangle of vines called lianas. While the sentinel monkey started vocalizing to warn the rest of the group of the strange calls, the monkeys were clearly confounded by these familiar vocalizations, choosing to investigate rather than flee. Four other tamarins climbed down to assess the nature of the calls. At that moment, a margay emerged from the foliage walking down the trunk of a tree in a squirrel-like fashion, jumping down and then moving towards the monkeys. Realizing the ruse, the sentinel screamed an alarm and sent the other fleeing.

While this specific instance of was unsuccessful, researchers were amazed at the ingenuity of the hunting strategy.

"This observation further proves the reliability of information obtained from Amazonian inhabitants," said Dr. Avecita Chicchón, director of the Wildlife Conservation Society's Latin America Program. "This means that accounts of jaguars and pumas using the same vocal mimicry to attract prey--but not yet recorded by scientists--also deserve investigation."

WCS is currently monitoring populations of the pied tamarin—listed as "Endangered" on the IUCN's Red List—and is seeking financial support to continue the study, which aims to protect this and other species from extinction. Next to Madagascar, the Amazon has the highest diversity of primates on Earth.

These behavioral insights also are indications of intact Amazon rainforest habitat. WCS works throughout the Amazon to evaluate the conservation importance of these rainforests, which have become increasingly threatened by development.

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User comments : 4

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drel
not rated yet Jul 08, 2010
My indoor cats make "bird calls" when they stalk birds that come too close to the windows. I'm sure that my cats are not the only ones. I don't know if it is a true "call" or if it has another purpose altogether.
Djincs
not rated yet Jul 09, 2010
I just cant beleave this unless I see it, it sounds to me too incredible to be true(i tought the cat strategy is to be as invisible as it can), i hope they will catch it on tape, it will be great!
hylozoic
not rated yet Jul 10, 2010
Reminds me of the quite reasonable possibility of pheromonal 'mimicry' in plants. Truffles and mating pheromones of certain boars...
JoelF
not rated yet Jul 12, 2010
I've owned two cats who do bird calls when they see birds close to the house. The calls are not will articulated, but are very un-cat like.