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Rhesus Macaques eating molluscs and crabs rare behaviour
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Fish feeding adaptation by Rhesus Macaque Macaca mulatta (Cercopithecidae) in the Sundarban mangrove swamps, India - • The natural diet of M. mulatta is primarily vegetarian and includes fruits, seeds, flowers, leaves, buds, shoots, twigs, stems, roots, bark, pith, and resin of hundreds of species of angiosperms, gymnosperms, and fungi showing considerable geographical variations (Goldstein Richard 1989). Lindburg (1971) reported from Dehradun that Rhesus Macaques are largely frugivorous, but occasionally ate termites, grasshoppers, ants, and beetles. Makwana (1979), however, observed that animal food was eaten more often and regularly in Asarori forest and Malik (1983) had observed these monkeys eating bird eggs in Tughlaqabad. Other known animal foods include spiders, crayfish, crabs, shellfish, and honeycombs (Fooden 2000). • Rhesus Macaques studied in the Sundarbans fed on mangrove leaves, fruits, molluscs, and crabs (Mandal1964). During a trip to the Sundarban mangrove forests in February 2011, we sighted an adult male Rhesus Macaque walking to the bank of estuarine water and catching live fish and eating it (Image 1). The rest of the members of the troop observed it from a distance for about 10 minutes and then two other members of the troop followed the act of the first adult and were successful. This observation on M.mulatta suggests that this species is able to feed on a variety of food available to them and, thus, show their high degree of • adaptability to a variety of food sources on trees, on the ground and in water. • Macaques in the coastal forest rely more heavily on high-quality fruits/seeds, which are limited resources but fruit production per tree is higher in the coastal forest (Hanya et al. 2003). As a result, • both the population and group density of macaques is about three times higher in the coastal forest (Hanya et al. 2004). As a consequence, there are within and between-group contests for limited food in coastal forests (van Schaik 1989). This could have promoted adaptation to aquatic food in Rhesus Macaques in the • Sundarban mangrove swamps. • Source : http://threatenedtaxa.org/ • On enquiring from a few naturalists who have visited the mangroves of Sunderbans we came to know that Rhesus Macaques there often raid bird nests for eggs and chicks/fledgelings as well. • The Sundarbans is the largest single block of tidal halophytic mangrove forest in the world. The Sundarbans is a UNESCO World Heritage Site covering parts of Khulna, Satkhira and Bagerhat District in southwestern Bangladesh. • Located in Bangladesh, the Sundarbans borders the Sundarbans National Park in the Indian state of West Bengal. Sundarbans is divided into three protected forests in Bangladesh namely Sundarbans South, East and West Wildlife Sanctuary. This region is densely covered by mangrove forests, and is one of the largest reserves for the Bengal tiger. There is much more wildlife here than just the endangered Royal Bengal Tiger (Panthera tigris tigris). Most importantly, mangroves are a transition from the marine to freshwater and terrestrial systems, and provide critical habitat for numerous species of small fish, crabs, shrimps and other crustaceans that adapt to feed and shelter, and reproduce among the tangled mass of roots, known as pneumatophores, which grow upward from the anaerobic mud to get the supply of oxygen. Fishing Cats, Macaques, wild boars, Common Grey Mongooses, Foxes, Jungle Cats, Flying Foxes, Pangolins, and spotted deer are also found in abundance in the Sundarbans. • • source - Wikipedia • This footage is part of the professionally-shot broadcast stock footage archive of Wilderness Films India Ltd., the largest collection of HD imagery from South Asia. The Wilderness Films India collection comprises of tens of thousands of hours of high quality broadcast imagery, mostly shot on HDCAM / SR 1080i High Definition, Alexa, SR, HDV and XDCAM. Write to us for licensing this footage on a broadcast format, for use in your production! We are happy to be commissioned to film for you or else provide you with broadcast crewing and production solutions across South Asia. We pride ourselves in bringing the best of India and South Asia to the world... Reach us at rupindang @ gmail . com and [email protected].
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