Activity Patterns and Foraging Behavior of American Pikas (Ochotona princeps) Differ between Craters of the Moon and Alpine Talus in Idaho

2020 ◽  
Vol 80 (1) ◽  
pp. 49 ◽  
Author(s):  
Meghan J. Camp ◽  
Lisa A. Shipley ◽  
Johanna Varner ◽  
Brooklyn D. Waterhouse
Keyword(s):  
Foraging Behavior ◽  
Activity Patterns ◽  
The Moon ◽  
Ochotona Princeps

Activity patterns and habitat preferences of insectivorous bats in a West African forest–savanna mosaic

2004 ◽  
Vol 20 (4) ◽  
pp. 397-407 ◽  
Author(s):  
Christoph F. J. Meyer ◽  
Christian J. Schwarz ◽  
Jakob Fahr
Keyword(s):  
Open Space ◽  
Activity Patterns ◽  
Habitat Preferences ◽  
Light Trap ◽  
Negative Influence ◽  
Foraging Activity ◽  
The Moon ◽  
Constant Frequency ◽  
Insectivorous Bats ◽  
Bat Activity

We studied activity patterns and habitat use by insectivorous bats in Comoé National Park, Ivory Coast. Bat foraging activity was quantified along five transects representing three different habitat types using acoustic monitoring and captures with mist nets and harp traps. Aerial insect abundance was assessed using a light trap; in addition shrub and tree arthropods were sampled. Bat activity was significantly and positively related to insect availability and ambient temperature, whereas increased visibility of the moon had a negative influence on flight activity. Together, these factors best explained both total bat activity and activity of bats hunting in open space and edge habitats. The interaction between temperature and light intensity was the best predictor of activity by species foraging in obstacle-rich forest habitats, however, the regression model had a low predictive value. Overall, a large proportion (c. 50%) of the variation in bat activity appeared to be a consequence of transect- and/or habitat-specific influences. We found a significant non-linear relationship between the activity of QCF (quasi-constant frequency) and FM–QCF (frequency modulated – quasi-constant frequency) bats and the phase of the moon, with lowest levels of activity occurring near full moon. We interpret this lunar-phobic behaviour as a reflection of a higher predation risk during moonlit periods. For FM (steep frequency modulated) and CF (constant frequency) bats, no significant correlation was found, although there was a trend suggesting that these bats at least were not negatively affected by bright moonlight. Foraging activity of bats was positively correlated with the abundance of atympanate moths; however, no such correlation was found for tympanate moths.

Foraging Behavior of the Pika (Ochotona princeps), with Comparisons of Grazing versus Haying

1986 ◽  
Vol 67 (1) ◽  
pp. 139-148 ◽  
Author(s):  
N. J. Huntly ◽  
A. T. Smith ◽  
B. L. Ivins
Keyword(s):  
Foraging Behavior ◽  
Ochotona Princeps

The moon cycle effect on the activity patterns of ocelots and their prey

2016 ◽  
Vol 299 (4) ◽  
pp. 275-283 ◽  
Author(s):  
L. P. Pratas-Santiago ◽  
A. L. S. Gonçalves ◽  
A. M. V. da Maia Soares ◽  
W. R. Spironello
Keyword(s):  
Activity Patterns ◽  
The Moon

Use of space, activity patterns, and foraging behavior of red howler monkeys (Alouatta seniculus) in an Andean forest fragment in Colombia

2011 ◽  
pp. n/a-n/a ◽  
Author(s):  
Ana Cristina Palma ◽  
Adriana Vélez ◽  
Carolina Gómez-Posada ◽  
Harrison López ◽  
Diego A. Zárate ◽  
...  
Keyword(s):  
Foraging Behavior ◽  
Activity Patterns ◽  
Alouatta Seniculus ◽  
Forest Fragment ◽  
Howler Monkeys ◽  
Use Of Space ◽  
Space Activity ◽  
Red Howler Monkeys ◽  
Red Howler

scholarly journals Observations of the foraging behavior and activity patterns of the Korean wood mouse, Apodemus peninsulae, in China, using infra-red cameras

ZooKeys ◽  
2020 ◽  
Vol 992 ◽  
pp. 139-155
Author(s):  
Dianwei Li ◽  
Jingwei Hao ◽  
Xu Yao ◽  
Yang Liu ◽  
Ting Peng ◽  
...  
Keyword(s):  
Feeding Behavior ◽  
Foraging Behavior ◽  
Motor Behavior ◽  
Activity Patterns ◽  
Start Time ◽  
Ecological Functions ◽  
Apodemus Peninsulae ◽  
Model Animal ◽  
Significant Difference ◽  
Infra Red

Apodemus peninsulae, a dominant rodent species in temperature forests of northeastern China, is a model animal to explore the ecological functions of reciprocal coevolution of animals and plants. From August to October 2016, 24 infra-red cameras were installed to study the feeding behavior and activity patterns of A. peninsulae in its natural environment. By analyzing 5618 video records, we found that feeding behavior, followed by motor and sentinel behaviors, was their main activity. In the behavior spectra, motor behavior (creep, walk, and skip), feeding behavior (forage, feeding, transport, hoarding, and clean), and sentinel behavior (alert, flee, banishment, and coexistence) accounted for 57.96%, 40.36%, and 1.68% of their behavior, respectively. The peak of feeding behavior occurred between 18:00 and 23:00, and feeding behavior frequency, duration, and activity rhythms differ among August to October. Furthermore, activity was the greatest after sunset and before sunrise, indicating a nocturnal lifestyle; however, from August to October, the start time of the activity was earlier, and the end time was later than usual. On average, mice spent 21.6 ± 11.6 times/night feeding, with a duration of 63.58 ± 98.36 s; while they spent less time in foraging, 39.05 ± 51.63 s. We found a significant difference in feeding and foraging frequency, with mice spending on average 10.84 ± 9.85 times/night and 9.23 ± 11.17 times/night, respectively. Our results show that feeding and foraging behavior is also influenced by light intensity, suggesting a preference for crepuscular periods of the day. Infra-red cameras are very useful in detecting activity patterns of animals that are not easily observable; these cameras are able to capture a large amount of valuable information for research into ecological functions.

scholarly journals Relating Bat Passage Rates to Wind Turbine Fatalities

Diversity ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 84 ◽  
Author(s):  
K. Shawn Smallwood ◽  
Douglas A. Bell
Keyword(s):  
Wind Energy ◽  
Wind Turbine ◽  
Wind Turbines ◽  
Activity Patterns ◽  
Turbine Blades ◽  
The Moon ◽  
Near Misses ◽  
Construction Activity ◽  
Impact Predictions ◽  
Best Estimates

Wind energy siting to minimize impacts to bats would benefit from impact predictions following pre-construction surveys, but whether pre- or even post-construction activity patterns can predict fatalities remains unknown. We tested whether bat passage rates through rotor-swept airspace differ between groups of wind turbines where bat fatalities were found and not found during next-morning dog searches for fatalities. Passage rates differed significantly and averaged four times higher where freshly killed bats were found in next-morning fatality searches. Rates of near misses and risky flight behaviors also differed significantly between groups of turbines where bats were found and not found, and rate of near misses averaged eight times higher where bat fatalities were found in next-morning searches. Hours of turbine operation averaged significantly higher, winds averaged more westerly, and the moon averaged more visible among turbines where and when bat fatalities were found. Although dogs found only one of four bats seen colliding with turbine blades, they found many more bat fatalities than did human-only searchers at the same wind projects, and our fatality estimates were considerably higher. Our rates of observed bat collisions, adjusted for the rates of unseen collisions, would predict four to seven times the fresh fatalities we found using dogs between two wind projects. Despite markedly improved carcass detection through use of dogs, best estimates of bat fatalities might still be biased low due to crippling bias and search radius bias.

scholarly journals Habitat Utilization, Interspefic Interactions and Status of a Recolonized Population of Bighorn Sheep at a Wild Horse Range

1987 ◽  
Vol 11 ◽  
pp. 11-16
Author(s):  
Sanford Schemnitz ◽  
Kevin Coates
Keyword(s):  
Habitat Use ◽  
Foraging Behavior ◽  
Food Habits ◽  
Activity Patterns ◽  
Rocky Mountain ◽  
Bighorn Sheep ◽  
Management Program ◽  
Ovis Canadensis ◽  
Wild Horse ◽  
Recreation Area

Data have been collected from 05-86 to 11-87 to aid in the development of a management program for Rocky Mountain bighorn sheep (Ovis canadensis canadensis) at Bighorn Canyon National Recreation Area (BICA). The purpose of this report is to summarize progress toward completing the following Objectives: 1. Determine the size, and age/sex composition of the sheep herd at BICA; determine the general health of the herd. 2. Analyze the seasonal food habits of sheep and wild horses; analyze the dietary overlap of these species; analyze the foraging behavior of sheep in habitats occupied exclusively by sheep and compare with the foraging behavior of sheep in habitats used in common with horses and/or humans. 3. Analyze seasonal habitat use throughout the annual cycle; analyze activity patterns during all daylight hours and relate to habitat use; identify and describe sensitive use areas for consideration in future sheep management programs. 4. Determine the total habitat potential of BICA.

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