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All Outputs (152)

Comparison of methods for obtaining population estimates for Red Squirrels in relation to damage due to bark stripping. (2008)
Journal Article
Bryce, J., Pritchard, S., Waran, N., & Young, R. (2008). Comparison of methods for obtaining population estimates for Red Squirrels in relation to damage due to bark stripping. Mammal Review, 27(4), 165-170. https://doi.org/10.1111/j.1365-2907.1997.tb00445.x

The relation between population density and the extent of damage incurred by bark stripping behaviour was investigated in a Scots Pine plantation known to have suffered considerable damage. Population density was estimated by three non-interventionis... Read More about Comparison of methods for obtaining population estimates for Red Squirrels in relation to damage due to bark stripping..

A case of adoption in a wild group of black-fronted titi monkeys (Callicebus nigrifrons) (2007)
Journal Article
Casar, C., & Young, R. (2008). A case of adoption in a wild group of black-fronted titi monkeys (Callicebus nigrifrons). Primates, 49, 146-148. https://doi.org/10.1007/s10329-007-0066-x

We observed a case of infant adoption in an unprovisioned group of wild black-fronted titi monkeys (Callicebus nigrifrons). During our long-term field study we noticed that an infant had moved from one of our study groups (“Desbotado”) to another (“R... Read More about A case of adoption in a wild group of black-fronted titi monkeys (Callicebus nigrifrons).

Observed case of maternal infanticide in a wild group of black-fronted titi monkeys (Callicebus nigrifrons) (2007)
Journal Article
Casar, C., Franco, E., Soares, G., & Young, R. (2007). Observed case of maternal infanticide in a wild group of black-fronted titi monkeys (Callicebus nigrifrons). Primates, 49, 143-145. https://doi.org/10.1007/s10329-007-0067-9

A maternal infanticide was observed in a group of unprovisioned wild black-fronted titi monkeys (Callicebus nigrifrons). An approximately 3-day-old male infant was killed by his mother. A post-mortem revealed the infant to be clinically healthy. We c... Read More about Observed case of maternal infanticide in a wild group of black-fronted titi monkeys (Callicebus nigrifrons).

The behavioural responses of Nile tilapia (< i> Oreochromis niloticus</i>) to anti-predator training (2007)
Journal Article
Mesquita, F., & Young, R. (2007). The behavioural responses of Nile tilapia (< i> Oreochromis niloticus) to anti-predator training. Applied Animal Behaviour Science, 106(1-3), 144-154. https://doi.org/10.1016/j.applanim.2006.06.013

Globally millions of fishes are released, each year, into the wild to supplement diminishing populations. However, research indicates that less than 5% of these individuals survive, and that one of the major causes of mortality is predation. The obje... Read More about The behavioural responses of Nile tilapia (< i> Oreochromis niloticus</i>) to anti-predator training.

A preliminary study into the effectiveness of stroboscopic light as an aversive stimulus for fish (2007)
Journal Article
Mesquita, F., Godinho, H., de Azevedo, P., & Young, R. (2008). A preliminary study into the effectiveness of stroboscopic light as an aversive stimulus for fish. Applied Animal Behaviour Science, 111(3-4), 402-407. https://doi.org/10.1016/j.applanim.2007.06.014

To reduce fish mortality in nature it is often necessary to expel individuals from areas modified by humans (e.g., dams) where they could be injured or killed. We tested the effectiveness of stroboscopic light as an aversive stimulus for zebrafish (D... Read More about A preliminary study into the effectiveness of stroboscopic light as an aversive stimulus for fish.

A note on the use of GPS collars to monitor wild maned wolves< i> Chrysocyon brachyurus</i>(Illiger 1815)(Mammalia, Canidae) (2007)
Journal Article
Coelho, C., de Melo, L., Sabato, M., Rizel, D., & Young, R. (2007). A note on the use of GPS collars to monitor wild maned wolves< i> Chrysocyon brachyurus(Illiger 1815)(Mammalia, Canidae). Applied Animal Behaviour Science, 105(1-3), 259-264. https://doi.org/10.1016/j.applanim.2006.04.024

Increasingly, problems of animal conservation are being solved with the aid of technology. One recent advance in monitoring the spatial location of wild animals is the GPS collar. In this study we evaluate the use of such technology with three wild m... Read More about A note on the use of GPS collars to monitor wild maned wolves< i> Chrysocyon brachyurus</i>(Illiger 1815)(Mammalia, Canidae).

Environmental enrichment: a GAP analysis (2007)
Journal Article
de Azevedo, C., Cipreste, C., & Young, R. (2007). Environmental enrichment: a GAP analysis. Applied Animal Behaviour Science, 102(3-4), 329-343. https://doi.org/10.1016/j.applanim.2006.05.034

GAP analyses are tools used to inform us about the short-comings of a scientific area or necessities in social–economic problems. In the last 20 years, environmental enrichment as an area of scientific investigation has come of age; this can be clear... Read More about Environmental enrichment: a GAP analysis.

Socio-sexual behavior of female northern muriquis (Brachyteles hypoxanthus) (2007)
Journal Article
Possamai, C., Young, R., Mendes, S., & Strier, K. (2007). Socio-sexual behavior of female northern muriquis (Brachyteles hypoxanthus). American Journal of Primatology, 69(7), 766-776. https://doi.org/10.1002/ajp.20399

Female northern muriquis (Brachyteles hypoxanthus) are known to engage in frequent copulations with multiple partners, a pattern that in other primates has been attributed to various functions such as confusing paternity, reducing male aggression, or... Read More about Socio-sexual behavior of female northern muriquis (Brachyteles hypoxanthus).

Revisiting translocation and reintroduction programmes: the importance of considering stress (2006)
Journal Article
Teixeira, C., de Azevedo, C., Mendl, M., Cipreste, C., & Young, R. (2007). Revisiting translocation and reintroduction programmes: the importance of considering stress. Animal Behaviour, 73(1), 1-13. https://doi.org/10.1016/j.anbehav.2006.06.002

It is widely known that the adverse effects of stress must be considered in animal conservation programmes. However, a full consideration of how and where stress occurs in animal conservation programmes has not been undertaken, especially in transloc... Read More about Revisiting translocation and reintroduction programmes: the importance of considering stress.

Secret lives of maned wolves (Chrysocyon brachyurus Illiger 1815): as revealed by GPS tracking collars (2006)
Journal Article
de Melo, L., Sabato, M., Magni, E., Young, R., & Coelho, M. (2007). Secret lives of maned wolves (Chrysocyon brachyurus Illiger 1815): as revealed by GPS tracking collars. Journal of Zoology, 271(1), 27-36. https://doi.org/10.1111/j.1469-7998.2006.00176.x

The maned wolf Chrysocyon brachyurus is a nocturnal and shy species, which has proven difficult to study in the field; consequently, data about its behavioural biology are almost absent from the scientific literature. However, recent advances in glob... Read More about Secret lives of maned wolves (Chrysocyon brachyurus Illiger 1815): as revealed by GPS tracking collars.

A note on the effect of the full moon on the activity of wild maned wolves,< i> Chrysocyon brachyurus</i> (2006)
Journal Article
Sabato, M., de Melo, L., Magni, E., Young, R., & Coelho, C. (2006). A note on the effect of the full moon on the activity of wild maned wolves,< i> Chrysocyon brachyurus. Behavioural Processes, 73(2), 228-230. https://doi.org/10.1016/j.beproc.2006.05.012

It is well established in the scientific literature that animal prey species reduce their activity at times of high predation risk. In the case of nocturnal animals this occurs when there is a full moon; however, the response of predators to the chan... Read More about A note on the effect of the full moon on the activity of wild maned wolves,< i> Chrysocyon brachyurus</i>.

Behavioural responses of captive-born greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae) submitted to antipredator training (2006)
Journal Article
de Azevedo, C., & Young, R. (2006). Behavioural responses of captive-born greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae) submitted to antipredator training. #Journal not on list, 23(1), https://doi.org/10.1590/S0101-81752006000100010

Human activities have been diminishing greater rhea Rhea americana (Linnaeus, 1758) populations throughout their natural distribution. The reintroductions of captive-born greater rheas have been tried but without success; since the individuals reintr... Read More about Behavioural responses of captive-born greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae) submitted to antipredator training.

Do captive-born greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae) remember antipredator training? (2006)
Journal Article
de Azevedo, C., & Young, R. (2006). Do captive-born greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae) remember antipredator training?. #Journal not on list, 23(1), https://doi.org/10.1590/S0101-81752006000100011

The antipredator training is a powerful tool now being used to help the reintroduced animals to recognise and escape from their predators. Testing the memory capacity of the animals after antipredator training is important to evaluate if the applicat... Read More about Do captive-born greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae) remember antipredator training?.

Shyness and boldness in greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae): the effects of antipredator training on the personality of the birds (2006)
Journal Article
de Azevedo, C., & Young, R. (2006). Shyness and boldness in greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae): the effects of antipredator training on the personality of the birds. #Journal not on list, 23(1), https://doi.org/10.1590/S0101-81752006000100012

The shy-bold continuum is an axis of behavioural variation for some species, but the consequences of shyness and boldness in antipredatory behaviour is unknown. Bold animals have the tendency to be predated first after release in comparison to shy an... Read More about Shyness and boldness in greater rheas Rhea americana Linnaeus (Rheiformes, Rheidae): the effects of antipredator training on the personality of the birds.

Marsupials from space: fluctuating asymmetry, geographical information systems and animal conservation (2006)
Journal Article
Teixeira, C., Hirsch, A., Perini, H., & Young, R. (2006). Marsupials from space: fluctuating asymmetry, geographical information systems and animal conservation. Proceedings of the Royal Society B: Biological Sciences, 273(1589), https://doi.org/10.1098/rspb.2005.3386

We report the development of a new quantitative method of assessing the effects of anthropogenic impacts on living beings; this method allows us to assess actual impacts and to travel backwards in time to assess impacts. In this method, we have cross... Read More about Marsupials from space: fluctuating asymmetry, geographical information systems and animal conservation.