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 We collated published and unpublished d...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.

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.

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.

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.

Anthropogenic noise reduces bird species richness and diversity in urban parks (2017)
Journal Article
and diversity in urban parks. Ibis, 159(3), 638-646. https://doi.org/10.1111/ibi.12481

Anthropogenic noise is becoming more prevalent in the world and has been shown to affect many animal species, including birds. The impact of such noise was measured in Neotropical urban parks to assess how the noise affects avifauna diversity and spe... Read More about Anthropogenic noise reduces bird species richness and diversity in urban parks.

Human commercial models’ eye colour shows negative frequency-dependent selection (2016)
Journal Article
frequency-dependent selection. PLoS ONE, 11(12), e0168458. https://doi.org/10.1371/journal.pone.0168458

In this study we investigated the eye colour of human commercial models registered in the UK (400 female and 400 male) and Brazil (400 female and 400 male) to test the hypothesis that model eye colour frequency was the result of negative frequency de... Read More about Human commercial models’ eye colour shows negative frequency-dependent selection.

Environmental enrichment effect on fecal glucocorticoid metabolites and captive maned wolf (chrysocyon brachyurus) behavior (2016)
Journal Article
Coelho, C., de Azevedo, C., Guimarães, M., & Young, R. (2016). Environmental enrichment effect on fecal glucocorticoid metabolites and captive maned wolf (chrysocyon brachyurus) behavior. Journal of Applied Animal Welfare Science, 19(4), 353-362. https://doi.org/10.1080/10888705.2016.1161512

Environmental enrichment is a technique that may reduce the stress of nonhuman animals in captivity. Stress may interfere with normal behavioral expression and affect cognitive decision making. Noninvasive hormonal studies
can provide important info... Read More about Environmental enrichment effect on fecal glucocorticoid metabolites and captive maned wolf (chrysocyon brachyurus) behavior.

Do apprehended saffron finches know how to survive predators? A careful look at reintroduction candidates (2016)
Journal Article
Dutra, L., Young, R., Galdino, C., & Vasconcellos, A. (2016). Do apprehended saffron finches know how to survive predators? A careful look at reintroduction candidates. Behavioural Processes, 125, 6-12. https://doi.org/10.1016/j.beproc.2016.01.007

Wildlife trafficking is a major factor contributing to the reduction of biological diversity. In Brazil, traf-ficked animals are apprehended by environmental agencies and released in the wild. The maintenance ofwild animals in captivity may jeopardiz... Read More about Do apprehended saffron finches know how to survive predators? A careful look at reintroduction candidates.

Evaluating patterns of human–reptile conflicts in an urban environment (2016)
Journal Article
environment. Wildlife Research, 42(7), https://doi.org/10.1071/WR15143

Context. Reptiles, especially snakes, can cause a fear reaction in the public and are, therefore, a good model to examine human–wildlife conflicts. Human city dwellers often respond to the presence of snakes or other reptiles by calling out the respo... Read More about Evaluating patterns of human–reptile conflicts in an urban environment.