Wild Tibetan Macaques Use a Route‐Based Mental Map to Navigate in Large‐Scale Space DOI Open Access
S. L. Cheng, Bowen Li, Paul A. Garber

et al.

American Journal of Primatology, Journal Year: 2024, Volume and Issue: 87(1)

Published: Dec. 26, 2024

Many animals face significant challenges in locating and acquiring resources that are unevenly distributed space time. In the case of nonhuman primates, it remains unclear how individuals remember goal locations whether they navigate using a route-based or coordinate-based mental representation when moving between out-of-sight feeding resting sites (i.e., large-scale space). Here, we examine spatial memory map formation wild Tibetan macaques (Macaca thibetana) inhabiting mountainous, forested ecosystem characterized by steep terrain limits direct vision to 25 meters. We used an instantaneous scan sampling technique at 10-min intervals record behavior location on Mt. Huangshan, Anhui Province, China, from September 2020 August 2023. Over 214 days, obtained 7180 GPS points macaques' locations. Our study revealed reused 1264 route segments (average length 204.26 m) least four times each. The number around habitual segment, roughness, dense vegetation areas significantly influenced use our group. addition, found evidence monkeys 48 nodes reorient their travel path. approached revisited foraging site same limited set directions, which is inconsistent with representation. direction left was different straight-line required reach next site, suggesting frequently reoriented goal. Finally, average, traveled 24% (CI = 1.24) farther than distance sites. From robust data set, conclude large spaces appears help them locate food dense, rugged montane forests heterogeneous habitats.

Language: Английский

Sleeping site use of François’ langurs (Trachypithecus francoisi) inhabiting limestone forest of Nonggang, southwest China: the importance of foraging efficiency DOI

Ying Lai,

Yanqiong Chen, Wei Hua

et al.

Primates, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 21, 2025

Language: Английский

Citations

0
Seasonal home range utilization of Hainan gibbons (Nomascus hainanus) in a secondary tropical forest of Hainan Island, South China DOI Creative Commons

Dexu Zhang,

Xuming Qi, Shuai Liu

et al.

Global Ecology and Conservation, Journal Year: 2024, Volume and Issue: 54, P. e03063 - e03063

Published: June 29, 2024

The home range utilization of primates reflects their behavioral and ecological strategies to adapt environment. However, little is known about the behavior endemic gibbons (Nomascus hainanus) found in a secondary tropical forest Hainan Island, China. Knowledge ranging patterns could contribute scientific evaluations survival risk this species under habitat conversion. In study, we analyzed seasonal variation group forests Bawangling area National Park Tropical Rainforest, using infrared cameras direct observations. results show that annual gibbon was 137.4 ha, with no significant difference between wet dry seasons. feeding hotspots are more scattered rainy season concentrated season, but not for sleeping hotspots. relatively small suggests may represent low-quality habitats thus have supporting role population. widely distributed be related abundance fruit resources while reduce travel distance energy expenditure when food scarce season. Overall, our findings provide insights into flexibility variations highlight conservation value populations.

Language: Английский

Citations

3
Wild Tibetan Macaques Use a Route‐Based Mental Map to Navigate in Large‐Scale Space DOI Open Access
S. L. Cheng, Bowen Li, Paul A. Garber

et al.

American Journal of Primatology, Journal Year: 2024, Volume and Issue: 87(1)

Published: Dec. 26, 2024

Many animals face significant challenges in locating and acquiring resources that are unevenly distributed space time. In the case of nonhuman primates, it remains unclear how individuals remember goal locations whether they navigate using a route-based or coordinate-based mental representation when moving between out-of-sight feeding resting sites (i.e., large-scale space). Here, we examine spatial memory map formation wild Tibetan macaques (Macaca thibetana) inhabiting mountainous, forested ecosystem characterized by steep terrain limits direct vision to 25 meters. We used an instantaneous scan sampling technique at 10-min intervals record behavior location on Mt. Huangshan, Anhui Province, China, from September 2020 August 2023. Over 214 days, obtained 7180 GPS points macaques' locations. Our study revealed reused 1264 route segments (average length 204.26 m) least four times each. The number around habitual segment, roughness, dense vegetation areas significantly influenced use our group. addition, found evidence monkeys 48 nodes reorient their travel path. approached revisited foraging site same limited set directions, which is inconsistent with representation. direction left was different straight-line required reach next site, suggesting frequently reoriented goal. Finally, average, traveled 24% (CI = 1.24) farther than distance sites. From robust data set, conclude large spaces appears help them locate food dense, rugged montane forests heterogeneous habitats.

Language: Английский

Citations

1