The Foraging Strategy of Howler Monkeys: A Study in Primate Economics. Katharine Milton

1981 ◽  
Vol 56 (4) ◽  
pp. 483-484
Author(s):  
Theodore I. Grand
Keyword(s):  
Foraging Strategy ◽  
Howler Monkeys

scholarly journals : The Foraging Strategy of Howler Monkeys: A Study in Primate Economics . Katharine Milton.

1981 ◽  
Vol 83 (4) ◽  
pp. 919-920
Author(s):  
John G. Fleagle
Keyword(s):  
Foraging Strategy ◽  
Howler Monkeys

The foraging strategy of howler monkeys: A study in primate economics

1981 ◽  
Vol 2 (4) ◽  
pp. 381-382
Author(s):  
Kenneth E. Glander
Keyword(s):  
Foraging Strategy ◽  
Howler Monkeys

The foraging strategy of Howler Monkeys: a study in primate economics

1982 ◽  
Vol 7 (3) ◽  
pp. 275-276
Author(s):  
R.I.M. Dunbar
Keyword(s):  
Foraging Strategy ◽  
Howler Monkeys

Do Javan gibbons ( Hylobates moloch ) use fruiting synchrony as a foraging strategy?

2021 ◽  
Author(s):  
Haneul Jang ◽  
Rahayu Oktaviani ◽  
Sanha Kim ◽  
Ani Mardiastuti ◽  
Jae C. Choe
Keyword(s):  
Foraging Strategy ◽  
Hylobates Moloch

Effects of two dietary fiber levels on nutrient digestibility and intestinal fermentation products in captive brown howler monkeys ( Alouatta guariba )

2021 ◽  
Vol 83 (3) ◽  
Author(s):  
Lucas Carneiro ◽  
Tatiane B. Moreno ◽  
Barbara D. Fernandes ◽  
Camilla M. M. Souza ◽  
Tais S. Bastos ◽  
...  
Keyword(s):  
Dietary Fiber ◽  
Nutrient Digestibility ◽  
Howler Monkeys ◽  
Fermentation Products

scholarly journals Be different to be better: the effect of personality on optimal foraging with incomplete knowledge

2021 ◽  
Author(s):  
Poppy M. Jeffries ◽  
Samantha C. Patrick ◽  
Jonathan R. Potts
Keyword(s):  
Optimal Foraging ◽  
Optimal Foraging Theory ◽  
Foraging Strategy ◽  
Foraging Strategies ◽  
Partial Knowledge ◽  
Marginal Value ◽  
Animal Populations ◽  
Plausible Mechanism ◽  
Insight Into ◽  
Modelling Approach

AbstractMany animal populations include a diversity of personalities, and these personalities are often linked to foraging strategy. However, it is not always clear why populations should evolve to have this diversity. Indeed, optimal foraging theory typically seeks out a single optimal strategy for individuals in a population. So why do we, in fact, see a variety of strategies existing in a single population? Here, we aim to provide insight into this conundrum by modelling the particular case of foraging seabirds, that forage on patchy prey. These seabirds have only partial knowledge of their environment: they do not know exactly where the next patch will emerge, but they may have some understanding of which locations are more likely to lead to patch emergence than others. Many existing optimal foraging studies assume either complete knowledge (e.g. Marginal Value Theorem) or no knowledge (e.g. Lévy Flight Hypothesis), but here we construct a new modelling approach which incorporates partial knowledge. In our model, different foraging strategies are favoured by different birds along the bold-shy personality continuum, so we can assess the optimality of a personality type. We show that it is optimal to be shy (resp. bold) when living in a population of bold (resp. shy) birds. This observation gives a plausible mechanism behind the emergence of diverse personalities. We also show that environmental degradation is likely to favour shyer birds and cause a decrease in diversity of personality over time.

Germination of native and exotic seeds dispersed by wild black-and-gold howler monkeys (Alouatta caraya): assessing deinhibition and scarification effects

Primates ◽  
2020 ◽  
Vol 61 (3) ◽  
pp. 519-527
Author(s):  
Darío M. Fergnani ◽  
Martín M. Kowalewski ◽  
Vanina A. Fernández
Keyword(s):  
Alouatta Caraya ◽  
Howler Monkeys ◽  
Exotic Seeds

scholarly journals Interacting effects of forest fragmentation and howler monkey foraging on germination and disperal of fig seeds

Oryx ◽  
2002 ◽  
Vol 36 (3) ◽  
pp. 266-271 ◽  
Author(s):  
Juan Carlos Serio-Silva ◽  
Victor Rico-Gray
Keyword(s):  
Dispersal Distance ◽  
Alouatta Palliata ◽  
Howler Monkey ◽  
Forest Fragment ◽  
Howler Monkeys ◽  
Conservation Policies ◽  
Dispersal Distances ◽  
Alouatta Palliata Mexicana ◽  
Fragmented Forests ◽  
Individual Trees

We studied changes in germination rates and dispersal distance of seeds of Ficus perforata and F. lundelli dispersed by howler monkeys (Alouatta palliata mexicana), in a small (40 ha) ‘disturbed’ and a larger (>600 ha) ‘preserved’ tropical rainforest in southern Veracruz, Mexico. The interaction between A. p. mexicana and Ficus (Urostigma) spp. is beneficial for the interacting species and has important implications for their conservation. Howler monkeys gain from the ingestion of an important food source, germination rates of Ficus seeds are improved by passage through the monkeys' digestive tract, and the seeds are more likely to be deposited in a site suitable for germination and development. Seed dispersal distances are relatively larger in the preserved site, with both the size of the forest area and the spatial pattern of Ficus affecting the dispersal process. In a large forest fragment with ‘regularly’ distributed Ficus individuals the howler monkeys move away from the seed source, increasing the probability that the seeds are desposited on a tree other than Ficus, which is important for the germination and future development of a hemiepiphytic species. In a small forest fragment with trees distributed in clumps howlers repeatedly use the same individual trees, and faeces containing seeds may be dropped on unsuitable trees more often. These are key issues when addressing conservation policies for fragmented forests.

Isolation, characterization and evaluation of 11 autosomal STRs suitable for population studies in black and gold howler monkeys Alouatta caraya

2006 ◽  
Vol 7 (1) ◽  
pp. 117-120 ◽  
Author(s):  
LUCIANA I. OKLANDER ◽  
GABRIEL E. ZUNINO ◽  
ANTHONY DI FIORE ◽  
DANIEL CORACH
Keyword(s):  
Population Studies ◽  
Alouatta Caraya ◽  
Autosomal Strs ◽  
Howler Monkeys
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