| Records |
| Author |
Navas Gonzalez, F.J.; Jordana Vidal, J.; Pizarro Inostroza, G.; Arando Arbulu, A.; Delgado Bermejo, J.V. |
| Title |
Can Donkey Behavior and Cognition Be Used to Trace Back, Explain, or Forecast Moon Cycle and Weather Events? |
Type |
Journal Article |
| Year |
2018 |
Publication  |
Animals : an Open Access Journal From MDPI |
Abbreviated Journal |
Animals (Basel) |
| Volume |
8 |
Issue |
11 |
Pages |
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| Keywords |
Moonlight; Animals |
| Abstract |
Donkeys have been reported to be highly sensitive to environmental changes. Their 8900-8400-year-old evolution process made them interact with diverse environmental situations that were very distant from their harsh origins. These changing situations not only affect donkeys' short-term behavior but may also determine their long-term cognitive skills from birth. Thus, animal behavior becomes a useful tool to obtain past, present or predict information from the environmental situation of a particular area. We performed an operant conditioning test on 300 donkeys to assess their response type, mood, response intensity, and learning capabilities, while we simultaneously registered 14 categorical environmental factors. We quantified the effect power of such environmental factors on donkey behavior and cognition. We used principal component analysis (CATPCA) to reduce the number of factors affecting each behavioral variable and built categorical regression (CATREG) equations to model for the effects of potential factor combinations. Effect power ranged from 7.9% for the birth season on learning (p < 0.05) to 38.8% for birth moon phase on mood (p < 0.001). CATPCA suggests the percentage of variance explained by a four-dimension-model (comprising the dimensions of response type, mood, response intensity and learning capabilities), is 75.9%. CATREG suggests environmental predictors explain 28.8% of the variability of response type, 37.0% of mood, and 37.5% of response intensity, and learning capabilities. |
| Address |
The Worldwide Donkey Breeds Project, Faculty of Veterinary Sciences, University of Cordoba, 14071 Cordoba, Spain. juanviagr218@gmail.com |
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English |
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2076-2615 |
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| Notes |
PMID:30463193 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2083 |
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| Author |
Houpt, K.A.; Erb, H.N.; Coria-Avila, G.A. |
| Title |
The Sleep of Shelter Dogs Was Not Disrupted by Overnight Light Rather than Darkness in a Crossover Trial |
Type |
Journal Article |
| Year |
2019 |
Publication |
Animals : an Open Access Journal From MDPI |
Abbreviated Journal |
Animals (Basel) |
| Volume |
9 |
Issue |
10 |
Pages |
794 |
| Keywords |
Animals; dog; influence of light; night-time behavior; shelter; sleep |
| Abstract |
Dogs in shelters may be unattended at night. The purpose of this study is to describe the night-time behavior of dogs in a shelter and to determine if artificial light affected their sleeping patterns. Ten dogs were video-recorded under both light and dark conditions and their behavior recorded using focal animal sampling. The dogs were lying down 649 +/- 40 min (mean +/- SD) in the light condition and 629 +/- 58 min in the dark condition each night. They awoke, stood up, turned around and then lay down again every 48 to 50 min. There was no significant difference in time spent lying between the two conditions (p > 0.05). Light did not seem to affect their behavior. The conclusion is that dogs in shelters may sleep in the absence of people and that light does not disrupt their sleep patterns. |
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Centro de Investigaciones Cerebrales, Universidad Veracruzana, Xalapa-Enriquez 91090, Mexico. gcoria@uv.mx |
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2076-2615 |
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| Notes |
PMID:31615005 |
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no |
| Call Number |
GFZ @ kyba @ |
Serial |
2703 |
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| Author |
Niklaus, S.; Albertini, S.; Schnitzer, T.K.; Denk, N. |
| Title |
Challenging a Myth and Misconception: Red-Light Vision in Rats |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animals : an Open Access Journal From MDPI |
Abbreviated Journal |
Animals (Basel) |
| Volume |
10 |
Issue |
3 |
Pages |
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| Keywords |
animals; cones; electroretinogram; husbandry; photoreceptors; rat; red light; retina; rods |
| Abstract |
Due to the lack of L-cones in the rodent retina, it is generally assumed that red light is invisible to rodents. Thus, red lights and red filter foils are widely used in rodent husbandry and experimentation allowing researchers to observe animals in an environment that is thought to appear dark to the animals. To better understand red-light vision in rodents, we assessed retinal sensitivity of pigmented and albino rats to far-red light by electroretinogram. We examined the sensitivity to red light not only on the light- but also dark-adapted retina, as red observation lights in husbandry are used during the dark phase of the light cycle. Intriguingly, both rods and cones of pigmented as well as albino rats show a retinal response to red light, with a high sensitivity of the dark-adapted retina and large electroretinogram responses in the mesopic range. Our results challenge the misconception of rodents being red-light blind. Researchers and housing facilities should rethink the use of red observation lights at night. |
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Pharma Research and Early Development (pRED), Pharmaceutical Sciences (PS), Roche Innovation Center Basel, 4070 Basel, Switzerland |
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English |
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2076-2615 |
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| Notes |
PMID:32138167 |
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no |
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GFZ @ kyba @ |
Serial |
2844 |
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| Author |
Leveau, L.M. |
| Title |
Artificial Light at Night (ALAN) Is the Main Driver of Nocturnal Feral Pigeon (Columba livia f. domestica) Foraging in Urban Areas |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animals : an Open Access Journal From MDPI |
Abbreviated Journal |
Animals (Basel) |
| Volume |
10 |
Issue |
4 |
Pages |
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| Keywords |
Animals; Columba livia; Latin America; artificial light at night; circadian rhythm; noise; temporal homogenization |
| Abstract |
Artificial light at night (ALAN) is one of the most extreme environmental alterations in urban areas, which drives nocturnal activity in diurnal species. Feral Pigeon (Columba livia f. domestica), a common species in urban centers worldwide, has been observed foraging at night in urban areas. However, the role of ALAN in the nocturnal activity of this species is unknown. Moreover, studies addressing the relationship between ALAN and nocturnal activity of diurnal birds are scarce in the Southern Hemisphere. The objective of this study is to assess the environmental factors associated with nocturnal activity of the Feral Pigeon in Argentinian cities. Environmental conditions were compared between sites where pigeons were seen foraging and randomly selected sites where pigeons were not recorded foraging. Nocturnal foraging by the Feral Pigeon was recorded in three of four surveyed cities. ALAN was positively related to nocturnal foraging activity in Salta and Buenos Aires. The results obtained suggest that urbanization would promote nocturnal activity in Feral Pigeons. Moreover, nocturnal activity was mainly driven by ALAN, which probably alters the circadian rhythm of pigeons. |
| Address |
Departamento de Ecologia, Genetica y Evolucion, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires – IEGEBA (CONICET – UBA), Ciudad Universitaria, Pab 2, Piso 4, Buenos Aires 1426, Argentina |
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2076-2615 |
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| Notes |
PMID:32224903 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2876 |
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Finch, D.; Smith, B.R.; Marshall, C.; Coomber, F.G.; Kubasiewicz, L.M.; Anderson, M.; Wright, P.G.R.; Mathews, F. |
| Title |
Effects of Artificial Light at Night (ALAN) on European Hedgehog Activity at Supplementary Feeding Stations |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animals : an Open Access Journal From MDPI |
Abbreviated Journal |
Animals (Basel) |
| Volume |
10 |
Issue |
5 |
Pages |
in press |
| Keywords |
Animals; Erinaceus europaeus; activity pattern; camera trap; citizen science; fragmentation; hedgehogs; light pollution; lightscape; urbanisation |
| Abstract |
: Artificial light at night (ALAN) can have negative consequences for a wide range of taxa. However, the effects on nocturnal mammals other than bats are poorly understood. A citizen science camera trapping experiment was therefore used to assess the effect of ALAN on the activity of European hedgehogs (Erinaceus europaeus) at supplementary feeding stations in UK gardens. A crossover design was implemented at 33 gardens with two treatments-artificial light and darkness-each of which lasted for one week. The order of treatment depended on the existing lighting regime at the feeding station: dark treatments were applied first at dark feeding stations, whereas light treatments were used first where the station was already illuminated. Although temporal changes in activity patterns in response to the treatments were noted in some individuals, the direction of the effects was not consistent. Similarly, there was no overall impact of ALAN on the presence or feeding activities of hedgehogs in gardens where supplementary feeding stations were present. These findings are somewhat reassuring insofar as they demonstrate no net negative effect on a species thought to be in decline, in scenarios where the animals are already habituated to supplementary feeding. However, further research is needed to examine long-term effects and the effects of lighting on hedgehog prey, reproductive success and predation risk. |
| Address |
Mammal Society, London E9 6EJ, UK |
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English |
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2076-2615 |
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| Notes |
PMID:32354129 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2904 |
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