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1

Dormice Glis glis activity and hazelnut consumption

100%
Rodolfi G.
Acta Theriologica
|
1994
|
tom 39
|
nr 2
The circadian and monthly activity rhythms of dormice Glis glis (Linnaeus, 1766) and their foraging for a preferred food source (hazels) have been studied. Dormice showed a monophasic pattern of activity from June to early November. The daily active period started from or after sunset, and ended usually before sunrise. In June and September, however, the foraging was prolonged ca 1 hr after sunrise. This suggests that the active phase is limited by the endogenous cycle of dormouse rather than by photoperiod. Hazelnut intake began in June before the fruits were ripened, and went on until the supply was exhausted, in August.
2

Singing in the rain. Rainfall and moonlight affect daily activity patterns of rodents in a Neotropical forest

72%
Maestri R., Marinho J. R.
Acta Theriologica
|
2014
|
tom 59
|
nr 3
Rainfall is often indirectly related to the availability of resources, which in turn regulates the abundance of rodents over time. However, the direct influence of rainfall on daily activity is poorly understood, despite the fact that it likely has a great effect on small animals. Furthermore, the influence of the moon on the movement of rodents has been the subject of debate but limited to studies conducted in open areas. Based on a study using pitfall traps in a subtropical region of southern Brazil, this study aimed to investigate the effects of rainfall and the phases of the moon on the daily movements of five species of sigmodontine rodents in a Neotropical forest. Activity patterns were assessed over 130 days, and the daily rainfall and moon phase were verified. Rainfall exhibited a significant positive effect on all studied species. This reflects an increase in the movement of rodents on rainy days, which should be primarily associated with the immediate harmful effects of rain, such as a wet coat and the destruction of shelters. The five species responded differently to moon phase, with a lack of effect for three of them and a positive effect of a full moon on the activity patterns of the other two species. This increase in activity rhythm due to a full moon may indicate a benefit of clear nights for foraging, in contrast to the most common outcome, which associates the brightness of the moon with increased predation risk.
3

Kazimierz Kowalski: A biographical sketch

72%
Pucek Z.
Acta Zoologica Cracoviensia
|
1996
|
tom 39
|
nr 1
4

The effect of dorsal raphe nucleus [DRN] lesions on the locomotor activity rhythm in mice

72%
Barbacka-Surowiak G., Gut M.
Folia Biologica
|
2001
|
tom 49
|
nr 1-2
5

Seasonal and sexual variation in diel activity rhythms of pine marten Martes martes in the Bialowieza National Park [Poland]

72%
Zalewski A.
Acta Theriologica
|
2001
|
tom 46
|
nr 3
From 1991-1996, the activity rhythms of 14 radio-collared pine martens Martes martes (Linnaeus, 1758) (6 males and 8 females) were studied in the pristine deciduous and mixed forests of the Białowieża National Park. Tracking data (5823 h) indicated that the activity rhythms of pine martens varied between sexes and seasons. In spring, male activity peaked at 20.00-00.00 h, whereas in summer and autumn-winter, activity was bimodal, peaking at 18.00-22.00 h and 02.00-04.00 h. Female activity in spring was more evenly distributed than that of males, but in summer their activity peaked at 20.00-00.00 h, while in autumn-winter females had a bimodal rhythm with peaks at 18.00-20.00 h and 02.00-06.00 h. In breeding females, activity rhythms changed in the course of pregnancy and nursing. On average, martens started their activity 73±209 (SD) min before sunset and finished 87 ± 245 min after sunrise. Females became active earlier than males but both sexes terminated activity at the same time. For both males and females the daily activity rhythm was not related to the diurnal course of temperature.
6

Home range, habitat selection and activity of red fox in a Mediterranean coastal ecotone

72%
Cavallini P., Lovari S.
Acta Theriologica
|
1994
|
tom 39
|
nr 3
Ranging behaviour and activity of five [2 females, 3 males) red foxes Vulpes uulpes (Linnaeus, 1758) in the Mediterranean coastal area of Maremma Natural Park (central Italy; an area of great habitat diversity) are described. One female ranged over a very small area and had diurnal activity rhythms, For other foxes, home range size (100% minimum convex polygon) varied between 86 and 485 ha (larger than fox ranges in urban areas and smaller than in northern or homogeneous areas), and core areas (50% harmonic mean) between 4.0 and 13.7 ha. Habitat diversity within home ranges was significantly higher than that of the overall area. Within their home ranges, foxes selected scrubwood for resting. When active, they showed individual differences in habitat selection. Peak activity was between 20.00 h and 22.00 h, but foxes were active also during the day.
7

Topographic distribution and daily activity of the European ground squirrel population in Bugacpuszta, Hungary

58%
Katona K., Vaczi O., Altbacker V.
Acta Theriologica
|
2002
|
tom 47
|
nr 1
Factors affecting the population density and daily pattern of activity of the European ground squirrel Spermophilus citellus (Linnaeus, 1766) were studied in two habitats of the Kiskunsag National Park, Hungary. One habitat was dominated by sandy and the other by salty grassland. Population densities were estimated by counting ground squirrel burrow entrances in sample areas with different microhabitat characteristics. Three categories (elevated, level and depressed) were used to describe the spatial distribution of burrows according to microtopography. Daily activity was evaluated by counting the ground squirrels visible on the surface and registering their alarm calls. The highest proportion of ground squirrel holes was found on elevations in the two habitats. Ground squirrels showed a similar daily activity pattern in different areas and in the same season in consecutive years. The daily activity consisted in a morning peak, a midday pause and a less regular afternoon activity period. Human activity had no direct effect on the daily activity pattern. Emission of alarm calls peaked in June, when litters emerge from the maternal burrows.
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