Activity Patterns, Diet and Home Range of Night Monkeys (Aotus griseimembra and Aotus lemurinus) in Tropical Lowland and Mountain Forests of Central Colombia

Montilla, Sebastián O.; Mopán-Chilito, Alex Mauricio; Murcia, Laura Natalia Sierra; Triana, Jonathan David Mahecha; Ruiz, Otto Mauricio Caro; Montoya-Cepeda, Juanita; Gutierrez-Barreto, Daniela Alejandra; Holguín-Vivas, Julie Alejandra; Agámez, Carlos J.; Pérez-Grisales, Luis Javier; Cruz-Moncada, Mariana; Corredor-Durango, Nicole Juliana; Díaz, Erika Alejandra Chaves; Cardona-Cardona, Andrés Humberto; Franco-Pérez, Estefanía; Rivera-Ospina, Ana María; Link, Andrés

doi:10.1007/s10764-020-00192-1

Cited by 20 publications

(13 citation statements)

References 60 publications

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“…The Wildlife Sanctuary Otún Quimbaya is a non-isolated area, which is part of a biological corridor for the conservation of sub-Andean and high Andean forests (PNN 2018). This connection explains, in part, the population density results, since it suggests a greater probability of movement of individuals through the corridor, and it has been documented that its distance traveled per night could be from 640 to 901 m (Montilla et al 2021). On the other hand, other species of mammals such as the kinkajou (Potos flavus) and the red howler monkeys (Alouatta seniculus), as well as other medium-frugivorous such as four species of Cracids, also inhabit this area (PNN 2018), which may be a direct competition for A. lemurinus.…”

Section: Discussionmentioning

confidence: 89%

Variation in population density of the Andean night monkey (Aotus lemurinus) in areas with different landscape characteristics

Flórez

Duque

Solari

2022

Therya

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In the Colombian Andes, most of the populations of Andean night monkeys (Aotus lemurinus) are found in fragmented landscapes due to the predominant changes in land use in the region. Thus, forest fragments differ in shape, size, degree of isolation, and availability of resources. These factors have had a differential effect on the ecology and permanence of their populations. In order to determine the effect of fragmentation on A. lemurinus, we estimated its population density in a protected area of 489 ha of sub-Andean forest - at Otún Quimbaya Wildlife Sanctuary- which is structurally connected with other protected areas; then, we compared it with another study carried out in the unprotected Sub-andean forest fragments (900 ha) of Dapa, at the Valle del Cauca department. To estimate its density, the distance sampling method was used with 31 linear transects, and the data were analyzed with the software Distance. Landscape metrics was estimate with patch analyses tools with a Corine Land Cover information 1:100,000 scale. The plant structure and diversity were measurement with transects to 50 x 4 m and taking account the trees with diameter at breast height over 10 cm. We use average comparison to evaluate the similarities between patrons of the population density and explanatory variables. A population density of 39 ind/km2 was found in our study, which is lower than the 113 ind/km2 found in the Dapa. This relation was similar to relations of mean shape index, mean patch size and mean diameter at breast height, and inverse with the relations of proportion of the forest in the area, weighted cover index, plant diversity and density of trees. It is likely that the protected area, by being connected and having a greater diversity of primates and trees, allows this population not to suffer from a crowding phenomenon, and that the population does not increase it carrying capacity due to the low presence of competing species, conversely to what could be occurring in the unprotected fragments. Conversely, high density in Dapa could be reflect a system depletion in diversity and ecological processes.

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Section: Discussionmentioning

confidence: 89%

Variation in population density of the Andean night monkey (Aotus lemurinus) in areas with different landscape characteristics

Flórez

Duque

Solari

2022

Therya

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“…The study area is located in the vereda Patio Bonito in the municipality of Puerto Parra, Santander (6° 41' 59'' N, 73° 58' 29'' W; 135 m; Figure 1). We assigned an age category to each of the individuals observed based on their size and the presence of a spot at the ventral base of the tail, which is darker in adult individuals (Montilla et al 2021).…”

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confidence: 99%

Albinism in a wild Caribbean night monkey (Aotus griseimembra) in a fragmented landscape in Colombia

Montilla

Link

2022

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El albinismo es el resultado de la ausencia completa de melanina producto de mutaciones en los genes OCA y TYR. Esta condición ha sido considerada rara en especies de primates y podría afectar la sobrevivencia y las interacciones intraespecificas de los individuos. El objetivo de esta nota es reportar el albinismo de un individuo silvestre del mono nocturno caribeño (Aotus griseimembra) en un paisaje fragmentado en Santander, Colombia. Durante 2020 y 2021 visitamos el dormidero de un grupo social del mono nocturno caribeño que habita un pequeño fragmento de bosque rodeado por pastizales destinados a ganadería y cultivos de palma. Dentro del grupo social registramos a un individuo juvenil de sexo desconocido con evidente albinismo, el cual comparte su dormidero con 3 individuos más con coloración normal. A diferencia de especies diurnas, los registros de individuos albinos en primates nocturnos son escasos y han sido nulos para los monos nocturnos del Nuevo Mundo (Aotus spp.), por lo tanto, es probable que, en estas especies de hábitos nocturnos, el albinismo imponga retos adicionales de sobrevivencia. Es necesario obtener datos ecológicos y genéticos que permitan entender los orígenes e implicaciones del albinismo en el mono nocturno caribeño.

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“…They are socially monogamous primates, living in small groups composed of an adult breeding pair and their offspring (Helenbrook et al 2020). Aotus are predominantly frugivorous (Shanee et al 2013;Montilla et al 2021), but also include leaves, seeds, nectar, insects, and flowers in their diets (Wright 2011). Studies on the diet of Aotus, and particularly A. nigriceps are lacking for Brazil, making clear the importance of opportunistic records of the species' diet.…”

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confidence: 99%

“…The genus Aotus can, at least for a time, persist in forest fragments smaller than 1.4 hectares in an agricultural matrix, and are tolerant of human presence (Castaño et al 2010;Shanee et al 2013;Henao-Isaza et al 2020). They occupy both primary and secondary forests and have been recorded in secondary forests and cultivated areas (Shanee et al 2013;Guzmán et al 2016;Montilla et al 2021;Silva et al 2021).…”

mentioning

confidence: 99%

Observations on the diet of Aotus nigriceps (Primates: Cebidae) in an urban and peri-urban area in Rondônia state, Brazil

Santos

Lima

Tavares

et al. 2022

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The black-headed night monkey (Aotus nigriceps) is a predominantly frugivorous nocturnal neotropical primate. As such, records of different dietary items are fundamental. In the present study, we describe the first record of the consumption of Calliandra brevipes inflorescence in the peri-urban, and Cocos nucifera inflorescence, Eugenia uniflora fruits, and arthropods in the urban, region of the city of Porto Velho, in the southwestern Brazilian Amazon

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Activity Patterns, Diet and Home Range of Night Monkeys (Aotus griseimembra and Aotus lemurinus) in Tropical Lowland and Mountain Forests of Central Colombia

Cited by 20 publications

References 60 publications

Variation in population density of the Andean night monkey (Aotus lemurinus) in areas with different landscape characteristics

Variation in population density of the Andean night monkey (Aotus lemurinus) in areas with different landscape characteristics

Albinism in a wild Caribbean night monkey (Aotus griseimembra) in a fragmented landscape in Colombia

Observations on the diet of Aotus nigriceps (Primates: Cebidae) in an urban and peri-urban area in Rondônia state, Brazil

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