Environmental Enrichment : the creation of opportunities for informal learning (2019)
Book Chapter

This chapter focuses on the informal learning opportunities that arise from environmental enrichment and what their consequences are for the animal. Environmental enrichment typically involves the addition of novel stimuli to a captive animal's envir... Read More about Environmental Enrichment : the creation of opportunities for informal learning.

Gaps in terrestrial soundscape research : it’s time to focus on tropical wildlife (2019)
Journal Article
Scarpelli, M., Ribeiro, M., Teixeira, F., Young, R., & Teixeira, C. (2020). Gaps in terrestrial soundscape research : it’s time to focus on tropical wildlife. Science of the Total Environment, 707, 135403. https://doi.org/10.1016/j.scitotenv.2019.135403

There has been a body of research examining the sounds produced in landscapes. These sounds are commonly defined as soundscapes, however, the term is often used in different contexts. To understand the various meanings attributed to soundscapes, we i... Read More about Gaps in terrestrial soundscape research : it’s time to focus on tropical wildlife.

Terrestrial behavior in titi monkeys (Callicebus, Cheracebus, and Plecturocebus) : potential correlates, patterns, and differences between genera (2019)
Journal Article
Souza-Alves, J., Young, R., & Barnett, A. (2019). Terrestrial behavior in titi monkeys (Callicebus, Cheracebus, and Plecturocebus) : potential correlates, patterns, and differences between genera. International Journal of Primatology, 40, 553-572. https://doi.org/10.1007/s10764-019-00105-x

For arboreal primates, ground use may increase dispersal opportunities, tolerance to habitat change, access to ground-based resources, and resilience to human disturbances, and so has conservation implications. We collated published and unpublished d... Read More about Terrestrial behavior in titi monkeys (Callicebus, Cheracebus, and Plecturocebus) : potential correlates, patterns, and differences between genera.

Effects of mining truck traffic on cricket calling activity (2019)
Journal Article
Duarte, M., Cailari, E., Scarpelli, M., Lobregat, G., Young, R., & Sousa-Lima, R. (2019). Effects of mining truck traffic on cricket calling activity. ˜The œJournal of the Acoustical Society of America (Online), 146(1), 656-664. https://doi.org/10.1121/1.5119125

Anthropogenic noise is a global pollutant and several studies have identified its impact on wildlife. This research shows how the noise produced by mining affects crickets' acoustic communication. Two passive acoustic monitoring devices (SMII) were i... Read More about Effects of mining truck traffic on cricket calling activity.

Impacts of food-based enrichment on behaviour and physiology of male greater rheas (Rhea Americana, Rheidae, Aves) (2019)
Journal Article
Lima, M., de Azevedo, C., Young, R., & Viau, P. (2019). Impacts of food-based enrichment on behaviour and physiology of male greater rheas (Rhea Americana, Rheidae, Aves). Papéis Avulsos de Zoologia, 59, https://doi.org/10.11606/1807-0205/2019.59.11

Distress can be defined as a biological response of an individual to long-term threats to its homeostasis and it should be avoided from an animal welfare perspective. High levels of stress hormones and the expression of abnormal behaviours are respon... Read More about Impacts of food-based enrichment on behaviour and physiology of male greater rheas (Rhea Americana, Rheidae, Aves).

Effects of the neutral household detergent on the behaviour and personality of guppy Poecilia reticulata (Peters, 1859) (Osteichthyes: Poeciliidae) (2019)
Journal Article
Lopes, J., Young, R., & de Azevedo, C. (2019). Effects of the neutral household detergent on the behaviour and personality of guppy Poecilia reticulata (Peters, 1859) (Osteichthyes: Poeciliidae). Acta ethologica, 22(2), 113-123. https://doi.org/10.1007/s10211-019-00313-x

Chemical pollution of aquatic environments has been increasing in recent times, causing great damage to the ecosystems and to the fishery sector. Pollutants can negatively alter an animals’ life, and in this investigation, we verify if a neutral hous... Read More about Effects of the neutral household detergent on the behaviour and personality of guppy Poecilia reticulata (Peters, 1859) (Osteichthyes: Poeciliidae).

Non-invasive monitoring for population assessments of a critically endangered Neotropical primate (2019)
Thesis
Da Cruz Kaizer, M. Non-invasive monitoring for population assessments of a critically endangered Neotropical primate. (Thesis). University of Salford

The northern muriqui (Brachyteles hypoxanthus), is a Critically Endangered primate endemic to the Atlantic Forest of Brazil. Remnant populations of muriquis suffer from a wide range of
anthropogenic pressures and face a high risk of extinction due... Read More about Non-invasive monitoring for population assessments of a critically endangered Neotropical primate.

Comparing the bacterial communities of wild and captive golden mantella frogs : implications for amphibian conservation (2018)
Journal Article
Passos, L., Garcia, G., & Young, R. (2018). Comparing the bacterial communities of wild and captive golden mantella frogs : implications for amphibian conservation. PLoS ONE, 13(10), https://doi.org/10.1371/journal.pone.0205652

Bacterial communities are frequently found in symbiotic associations with most animal species. The characteristically moist amphibian skin provides a good environment for the growth of some species of bacteria; among these a few can act as a first li... Read More about Comparing the bacterial communities of wild and captive golden mantella frogs : implications for amphibian conservation.

Personality, abnormal behaviour, and health : an evaluation of the welfare of police horses (2018)
Journal Article
Schork, I., Schetini de Azevedo, C., & Young, R. (2018). Personality, abnormal behaviour, and health : an evaluation of the welfare of police horses. PLoS ONE, 13(9), e0202750. https://doi.org/10.1371/journal.pone.0202750

An animal’s welfare depends on an individual’s capacity to adapt to the environment in which it lives. This adaptation is directly associated with the quality of the environment and to the possibility of expressing natural behaviours. Horses kept in... Read More about Personality, abnormal behaviour, and health : an evaluation of the welfare of police horses.

Captive-born collared peccary (Pecari tajacu, Tayassuidae) fails to discriminate between predator and non-predator models (2018)
Journal Article
Magno de Faria, C., de Souza Sá, F., Costa, D., da Silva, M., da Silva, B., Young, R., & Schetini, C. (2018). Captive-born collared peccary (Pecari tajacu, Tayassuidae) fails to discriminate between predator and non-predator models. Acta ethologica, 21(3), 175-184. https://doi.org/10.1007/s10211-018-0298-3

Captive animals may lose the ability to recognize their natural predators, making conservation programs more susceptible to
failure if such animals are released into the wild. Collared peccaries are American tayassuids that are vulnerable to local... Read More about Captive-born collared peccary (Pecari tajacu, Tayassuidae) fails to discriminate between predator and non-predator models.

The different physical and behavioural characteristics of zoo mammals that influence their response to visitors (2018)
Journal Article
Queiroz, M., & Young, R. (2018). The different physical and behavioural characteristics of zoo mammals that influence their response to visitors. Animals, 8(139), https://doi.org/10.3390/ani8080139

The factors underlying the ‘zoo visit effect’ (changes in animal behaviour/physiology in response to visitor presence) are still poorly understood, despite it being widely investigated. The present study examined the effect of zoo visitors on the beh... Read More about The different physical and behavioural characteristics of zoo mammals that influence their response to visitors.

Low welfare impact of noise : assessment in an experimental model of mice infected by Herpes simplex-1 (2018)
Journal Article
Araújo, F., Espírito Santo, L., Teixeira, A., Santos, B., Filho, B., Silva, T., …Campos, M. (2018). Low welfare impact of noise : assessment in an experimental model of mice infected by Herpes simplex-1. Applied Animal Behaviour Science, 207, 79-88. https://doi.org/10.1016/j.applanim.2018.07.010

The breeding practices adopted and the equipment typically found in animal facilities produce sounds at frequencies within the auditory range of the mice (1 to 100 kHz), which can cause hearing and other non-hearing effects. Another aspect that could... Read More about Low welfare impact of noise : assessment in an experimental model of mice infected by Herpes simplex-1.

Urban sloths : public knowledge, opinions, and interactions (2018)
Journal Article
Pereira, K., Young, R., Boere, V., & Silva, I. (2018). Urban sloths : public knowledge, opinions, and interactions. Animals, 8(6), #90. https://doi.org/10.3390/ani8060090

Free-range sloths living in an urban environment are rare. In this study, the opinions, attitudes, and interactions with a population of Bradypus variegatus were investigated through short, structured interviews of people in the pubic square where th... Read More about Urban sloths : public knowledge, opinions, and interactions.

Comparing the bacterial communities of wild and captive golden mantella frogs: Implications for amphibian conservation (2018)
Journal Article
Passos, L., Garcia, G., & Young, R. (2018). Comparing the bacterial communities of wild and captive golden mantella frogs: Implications for amphibian conservation. PLoS ONE, 13(10), https://doi.org/10.1371/journal.pone.0205652

Bacterial communities are frequently found in symbiotic associations with most animal species. The characteristically moist amphibian skin provides a good environment for the growth of some species of bacteria; among these a few can act as a first li... Read More about Comparing the bacterial communities of wild and captive golden mantella frogs: Implications for amphibian conservation.

Comparing contact calling between black tufted-ear marmosets (Callithrix penicillata) in a noisy urban environment and in a quiet forest (2017)
Journal Article
quiet forest. International Journal of Primatology, 38(6), 1130-1137. https://doi.org/10.1007/s10764-017-0002-x

All habitats have some level of noise but anthropogenic sounds such as those produced by traffic are structurally different from natural sounds, and could cause organisms living in noisy urban areas to modify their vocal communication. We compared te... Read More about Comparing contact calling between black tufted-ear marmosets (Callithrix penicillata) in a noisy urban environment and in a quiet forest.

Social spacing of the montane lizard Tropidurus montanus (2017)
Journal Article
Galdino, C., Ventura, S., Lisboa, C., & Young, R. (2017). Social spacing of the montane lizard Tropidurus montanus. Herpetological journal, 27(4), 333-338

The way in which individuals use their surrounding space can be key to understanding species’ sociobiology. We studied the social spacing of the lizard Tropidurus montanus. Males were found to have larger home ranges than females. Male body size was... Read More about Social spacing of the montane lizard Tropidurus montanus.

Mining noise affects loud call structures and emission patterns of wild black-fronted titi monkeys (2017)
Journal Article
of wild black-fronted titi monkeys. Primates, 59(1), 89-97. https://doi.org/10.1007/s10329-017-0629-4

Anthropogenic noise pollution is increasing and
can constrain acoustic communication in animals. Our aim
was to investigate if the acoustic parameters of loud calls
and their diurnal pattern in the black-fronted titi monkey
(Callicebus nigrifrons... Read More about Mining noise affects loud call structures and emission patterns of wild black-fronted titi monkeys.

Medium/Long wavelength sensitive opsin diversity in Pitheciidae (2017)
Journal Article
Goulart, V., Boubli, J., & Young, R. (2017). Medium/Long wavelength sensitive opsin diversity in Pitheciidae. Scientific reports, 7(7737), https://doi.org/10.1038/s41598-017-08143-2

New World primates feature a complex colour vision system. Most species have polymorphic colour vision where males have a dichromatic colour perception and females can be either ichromatic or trichromatic. The adaptive value of high allelic diversity... Read More about Medium/Long wavelength sensitive opsin diversity in Pitheciidae.

The tonic immobility test : do wild and captive golden mantella frogs (Mantella aurantiaca) have the same response? (2017)
Journal Article
have the same response?. PLoS ONE, 12(7), https://doi.org/10.1371/journal.pone.0181972

Adaptations to captivity that reduce fitness are one of many reasons, which explain the low success rate of reintroductions. One way of testing this hypothesis is to compare an important behavioural response in captive and wild members of the same sp... Read More about The tonic immobility test : do wild and captive golden mantella frogs (Mantella aurantiaca) have the same response?.

Neglecting the call of the wild : captive frogs like the sound of their own voice (2017)
Journal Article
like the sound of their own voice. PLoS ONE, 12(7), https://doi.org/10.1371/journal.pone.0181931

Acoustic communication is highly influential in the expression of social behavior by anuran amphibians, transmitting information about the individual's physical condition and motivation. We studied the phonotactic (approach movements) responses of wi... Read More about Neglecting the call of the wild : captive frogs like the sound of their own voice.