Seasonal changes in spatial patterns and behavior of yearling male blue grouse on the breeding range

1983 ◽  
Vol 61 (12) ◽  
pp. 2777-2780 ◽  
Author(s):  
Ian G. Jamieson
Keyword(s):  
British Columbia ◽  
Home Range ◽  
Spatial Patterns ◽  
Seasonal Changes ◽  
Late Summer ◽  
Home Ranges ◽  
Breeding Range ◽  
Dendragapus Obscurus ◽  
Radio Transmitters ◽  
And Behavior

Changes in spatial patterns and behavior of yearling male blue grouse (Dendragapus obscurus) equipped with radio transmitters were recorded during spring and summer, 1980 and 1981, on Hardwicke Island, British Columbia. Sizes of home ranges decreased and yearlings appeared to become less dispersed as the season progressed. Most birds moved off their initial home range and onto new areas on the breeding range by late summer although the timing of this movement varied among individuals. Interactions involving yearling males with females and territorial males decreased as the season advanced. Changes in spatial patterns and behavior appear to be related to seasonal changes in levels of hormones in yearling males.

Spatial Patterns of Yearling Male Blue Grouse and Their Relation to Recruitment into the Breeding Population

The Auk ◽  
1983 ◽  
Vol 100 (3) ◽  
pp. 653-657 ◽  
Author(s):  
Ian G. Jamieson ◽  
Fred C. Zwickel
Keyword(s):  
British Columbia ◽  
Spatial Patterns ◽  
Radio Telemetry ◽  
Breeding Population ◽  
Adult Males ◽  
Costs And Benefits ◽  
Breeding Range ◽  
Dendragapus Obscurus ◽  
Different Types ◽  
Occupied Territories

Abstract Movements of yearling male Blue Grouse (Dendragapus obscurus) were monitored by radio telemetry during the springs of 1980 and 1981, on Hardwicke Island, British Columbia. The locations of the birds were clumped around territories of adult males. Most birds were associated with a few occupied territories, others settled near vacant sites that had been used as territories in previous years, and a few moved widely over the breeding range. Some territories attracted more yearlings than others. Presumed costs and benefits that may be associated with different types of spatial patterns of yearling males are discussed.

scholarly journals SPATIAL ECOLOGY AND HABITAT UTILIZATION OF MONTEZUMA QUAIL IN THE DAVIS MOUNTAINS OF TEXAS

2020 ◽  
Vol 72 (1) ◽  
Author(s):  
Curtis D. Greene ◽  
Louis A. Harveson ◽  
Joshua G. Cross ◽  
Ryan S. Luna
Keyword(s):  
Home Range ◽  
Spatial Ecology ◽  
Spatial Scales ◽  
Home Range Size ◽  
Home Ranges ◽  
Limited Information ◽  
Mountain Ranges ◽  
Davis Mountains ◽  
Radio Transmitters ◽  
Montezuma Quail

Abstract Montezuma quail (Cyrtonyx montezumae) occur throughout the desert mountain ranges in the Trans-Pecos of Texas as well as Arizona, New Mexico, and Mexico. Limited information on life history and ecology of the species is available due to the cryptic nature of the bird. Home range, movements, and preferred habitats have been speculated upon in previous literature with the use of observational or anecdotal data. We used innovative trapping techniques and technologically advanced radio transmitters to assess these ecological parameters for Montezuma quail. The goal of this study was to monitor Montezuma quail to determine home range size, movements, and habitat preference for the Davis Mountains population. We captured a total of 72 birds over the course of two years (2009 – 2010) (36M, 35F, 1 Undetermined). Thirteen individuals with >25 locations/bird were used to estimate the home range, movement, and habitat selection analyses. Home ranges (95% kernel density estimators) averaged 12.83 ha and varied greatly (0.02 – 43.29 ha). Maximum straight-line distances between known locations within home ranges varied from 0.73 – 14.83 km. Distances of movements were greater than previously reported. Preferred habitats consisted of Canyon Mountain Savannah and Foothill Slope Mountain Savannah across three spatial scales. Although our study was able to address some basic ecological attributes of Montezuma quail, additional research is warranted to better understand their population dynamics.

scholarly journals Movements and use of space by Mangrove Cuckoos (Coccyzus minor) in Florida, USA

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3534
Author(s):  
John David Lloyd
Keyword(s):  
Home Range ◽  
Mangrove Forest ◽  
Site Fidelity ◽  
Radio Telemetry ◽  
The Body ◽  
Home Ranges ◽  
Southwest Florida ◽  
Radio Transmitters ◽  
History Of ◽  
Initial Description

I used radio-telemetry to track the movements of Mangrove Cuckoos (Coccyzus minor) captured in southwest Florida. Relatively little is known about the natural history of Mangrove Cuckoos, and my goal was to provide an initial description of how individuals use space, with a focus on the size and placement of home ranges. I captured and affixed VHF radio-transmitters to 32 individuals between 2012 and 2015, and obtained a sufficient number of relocations from 16 of them to estimate home-range boundaries and describe patterns of movement. Home-range area varied widely among individuals, but in general was roughly four times larger than expected based on the body size of Mangrove Cuckoos. The median core area (50% isopleth) of a home range was 42 ha (range: 9–91 ha), and the median overall home range (90% isopleth) was 128 ha (range: 28–319 ha). The median distance between estimated locations recorded on subsequent days was 298 m (95% CI [187 m–409 m]), but variation within and among individuals was substantial, and it was not uncommon to relocate individuals >1 km from their location on the previous day. Site fidelity by individual birds was low; although Mangrove Cuckoos were present year-round within the study area, I did not observe any individuals that remained on a single home range throughout the year. Although individual birds showed no evidence of avoiding anthropogenic edges, they did not incorporate developed areas into their daily movements and home ranges consisted almost entirely of mangrove forest. The persistence of the species in the study area depended on a network of conserved lands–mostly public, but some privately conserved land as well–because large patches of mangrove forest did not occur on tracts left unprotected from development.

scholarly journals Movements and use of space by Mangrove Cuckoos (Coccyzus minor) in Florida, USA

2017 ◽  
Author(s):  
John D Lloyd
Keyword(s):  
Home Range ◽  
Mangrove Forest ◽  
Site Fidelity ◽  
Radio Telemetry ◽  
The Body ◽  
Home Ranges ◽  
Southwest Florida ◽  
Radio Transmitters ◽  
History Of ◽  
Initial Description

I used radio-telemetry to track the movements of Mangrove Cuckoos (Coccyzus minor) captured in southwest Florida. Relatively little is known about the natural history of Mangrove Cuckoos, and my goal was to provide an initial description of how individuals use space, with a focus on the size and placement of home ranges. I captured and affixed VHF radio-transmitters to 32 individuals between 2012 and 2015, and obtained a sufficient number of relocations from 16 of them to estimate home-range boundaries and describe patterns of movement. Home-range area varied widely among individuals, but in general, was roughly four times larger than expected based on the body size of Mangrove Cuckoos. The median core area (50% isopleth) of a home range was 42 ha (range: 9 – 91 ha), and the median overall home range (90% isopleth) was 128 ha (range: 28 – 319 ha). The median distance between estimated locations recorded on subsequent days was 298 m (95% CI = 187 m – 409 m), but variation within and among individuals was substantial, and it was not uncommon to relocate individuals >1 km from their location on the previous day. Site fidelity by individual birds was low; although Mangrove Cuckoos were present year-round within the study area, I did not observe any individuals that remained on a single home range throughout the year. Although individual birds showed no evidence of avoiding anthropogenic edges, they did not incorporate developed areas into their daily movements and home ranges consisted almost entirely of mangrove forest. The persistence of the species in the study area depended on a network of conserved lands – mostly public, but some privately conserved land as well – because large patches of mangrove forest did not occur on tracts left unprotected from development.

scholarly journals Activity and Ranging Behavior of Leopard Cats (Prionailurus bengalensis) in an Oil Palm Landscape

2021 ◽  
Vol 9 ◽  
Author(s):  
Muhammad Silmi ◽  
Kharisma Putra ◽  
Ali Amran ◽  
Mahfud Huda ◽  
Aldino Fauzil Fanani ◽  
...  
Keyword(s):  
Home Range ◽  
Oil Palm ◽  
Mangrove Forest ◽  
Activity Patterns ◽  
Home Ranges ◽  
Ranging Behavior ◽  
Forest Habitat ◽  
Central Kalimantan ◽  
Radio Transmitters ◽  
Prionailurus Bengalensis

The leopard cat (Prionailurus bengalensis) is the most widespread feline in Asia. It has been recorded in a range of habitats, including monoculture landscapes, such as oil palm plantations. Here, we report on a study on the presence, home range, activity patterns and diet of the species in an oil palm landscape to assess their viability as biological pest controller of rats. The study took place in United Plantations/PT SSS estate in Central Kalimantan, Borneo, Indonesia. From July 2014 to March 2018, we captured 11 leopard cats in purpose-built cage-traps and fitted them with VHF radio-transmitters. They were tracked for a 44 months study period, during which we collected a total of 2.031 GPS locations used for estimating the respective cats’ activities and home-ranges. The cats are strictly nocturnal and prefer to hide and rest in thick bush, primarily consisting of sword-fern (Nephrolepis sp.) during day-time, but forage both on the ground and in the palm canopy at night. The average home range (95% FK) for male leopard cats is 1.47 km2 (n = 7; SD = 0.62 km2) with slightly smaller home range for females at 1.29 km2 (n = 4; SD = 0.28 km2). All individuals studied were recorded strictly within the oil palm plantation landscape, although mangrove forest habitat makes up 7% of the greater plantation landscape. In conclusion, leopard cats survive and reproduce well in oil palm habitats and are effective biological controllers of rats that can replace the traditionally used expensive and environmentally polluting chemical rat poisons.

Home Range of the Common Wallaroo, Macropus-Robustus-Erubescens, in Far Western New South Wales

1990 ◽  
Vol 17 (6) ◽  
pp. 659 ◽  
Author(s):  
TF Clancy ◽  
DB Croft
Keyword(s):  
Home Range ◽  
New South ◽  
New South Wales ◽  
Space Use ◽  
Bivariate Normal Distribution ◽  
Home Range Size ◽  
Home Ranges ◽  
South Wales ◽  
Radio Transmitters ◽  
The Common

Aspects of the home range and space-use patterns of the common wallaroo or euro (Macropus robustus erubescens) were studied over a three year period in arid New South Wales. Thirty-five adults (19 males and 16 females) were captured and fitted with radio-transmitters and their movements followed. The home ranges of the majority of animals were significantly different from that of a bivariate normal distribution, indicating a heterogeneity of space use. Home ranges were small and essentially stable over time. There were significant differences between the sexes in all parameters of home range measured due to differences in ecological and social requirements. Males had significantly larger weekly home ranges in winter than females (77.2 +/- 47.5 ha and 30.5 +/- 16.5 ha, respectively) but in summer home ranges were similar (30.2 +/- 20.4 ha and 27.6 +/- 15.0 ha). On a yearly basis males ranged over an area approximately three times the size of that used by females. Yearly home-range size in males was positively correlated with body size when conditions were poor.

scholarly journals Home Ranges and Spatial Organization of Fishers, Martes pennanti, in Central British Columbia

2009 ◽  
Vol 123 (2) ◽  
pp. 126 ◽  
Author(s):  
Richard D. Weir ◽  
Alton S. Harestad ◽  
Fraser B. Corbould
Keyword(s):  
British Columbia ◽  
Home Range ◽  
Spatial Organization ◽  
Home Range Size ◽  
Range Size ◽  
Suitable Habitat ◽  
Home Ranges ◽  
Martes Pennanti ◽  
Utilization Distribution ◽  
Minimum Convex Polygon

We described the size and spatial arrangement of aggregate and seasonal home ranges for 17 radio-tagged resident Fishers (Martes pennanti) that were >1.5 years old in two areas of central British Columbia during 1990-1993 and 1996-2000. We estimated home range size for each Fisher from the 95% isopleth of the utilization distribution generated using a fixed kernel model with smoothing selected by least-squares cross-validation (95% FK). For comparison to previous studies, we also calculated the minimum convex polygon estimate of home range size (MCP) for each animal. The aggregate home ranges (95% FK) of female Fishers (mean = 37.9 km², SD = 18.5, range = 10.5 – 81.2, n = 11) were significantly smaller than those of males (mean = 161.3 km², SD = 100.0, range = 46.0 – 225.2, n = 3; P = 0.019). We observed minor overlap among 95% FK home ranges of Fishers of the same sex, but considerable overlap among home ranges of males and females. Home ranges (95% FK or MCP) that we observed in central British Columbia were larger than those reported elsewhere in North America, particularly for males. We suggest that the distribution of resources for Fishers may occur at lower gross densitiesin central British Columbia than in other portions of the Fisher’s range and that suitable habitat in which Fishers can establish home ranges is not found uniformly across the landscape.

scholarly journals Home Range, Movements, and Habitat Utilization of Striped Skunk (Mephitis mephitis) in Scarborough, Ontario, Canada: Disease Management Implications

2011 ◽  
Vol 125 (1) ◽  
pp. 27 ◽  
Author(s):  
Rick Rosatte ◽  
Paula Kelly ◽  
Mike Power
Keyword(s):  
Home Range ◽  
Urban Areas ◽  
Home Range Size ◽  
Mephitis Mephitis ◽  
Home Ranges ◽  
Ecological Data ◽  
Striped Skunk ◽  
Rabies Control ◽  
Radio Transmitters ◽  
Striped Skunks

A total of 28 Striped Skunks (Mephitis mephitis) were fitted with radio-transmitters and their movements were monitored in Scarborough (Toronto), Ontario, in 1986 and 1987. Mean annual home range size for combined sex and age classes of Striped Skunks was 0.9 km2 (SD = 1.4) (range = 0.1-5.0 km2). Home ranges were smaller during winter (avg = 0.04 km2, SD = 0.05) than during fall (avg = 0.67 km2, SD = 1.09) (P = 0.055) but not different from ranges during spring (avg = 0.25 km2, SD = 0.31) or summer (avg = 0.27 km2, SD = 0.43). Nightly movements ranged between 0.1 km and 3.0 km and were greatest during October. Skunks were located more often in field habitats (56% of observations) than in residential (23%), field/industrial (10%), or industrial (8%) habitats. Ecological data on Striped Skunks were used in the design of rabies control tactics for use in urban areas in Ontario, Canada.

Pronghorn male spatial organization: population differences in degree of nonterritoriality

1994 ◽  
Vol 72 (3) ◽  
pp. 455-464 ◽  
Author(s):  
Christine R. Maher
Keyword(s):  
Population Density ◽  
Home Range ◽  
Social Organization ◽  
Spatial Organization ◽  
Late Summer ◽  
Behavior Patterns ◽  
Home Ranges ◽  
Antilocapra Americana ◽  
Home Range Overlap ◽  
Range Overlap

Pronghorn (Antilocapra americana) vary in spatial organization. A literature review revealed that males occupied undefended home ranges in 12 populations and maintained territories in 11 populations. Low-productivity habitats and high or low population density could preclude territoriality. Using activity budgets, interaction rates, and home-range overlap, male social organization was described for a translocated pronghorn population in central California and compared with that of another population studied at Sheldon National Wildlife Refuge, Nevada, to determine if males were organized differently. Interaction rates were highest during spring, decreased in summer, then increased in late summer coincident with the rut. Home-range overlap ranged from 0 to 85% and averaged 30.6%; small amounts of overlap resulted from geographical features rather than from behavioral interactions. Males joined groups of females and fawns during summer; few behavior patterns associated with territoriality were observed. Males occupied undefended home ranges and this spacing system may have been influenced by food abundance and distribution, population density, or a combination of these factors. Comparisons between Sheldon and Carrizo males indicated that, while neither population was territorial, the behavior of Sheldon males was closer to the territoriality end of a continuum between territoriality and undefended home range than was that of Carrizo males. Behavior patterns were very similar between the populations but some occurred more frequently among Sheldon males. Both populations lived in semi-arid habitats, where low primary productivity would make the costs of maintaining territories greater than the benefits. Differences between the populations could be based on differences in population density. The Carrizo population was small and widely dispersed and male–male competition appeared low; therefore, the opportunity to interact with other males was lower than in areas of higher population density. Comparisons with other populations were difficult to make because of a lack of quantified data on behavioral and ecological variables. Such data are required if more is to be learned about the effects of ecology and demography on social organization.

Summer home range and habitat utilisation of the red fox (Vulpes vulpes) in a tundra habitat, northwest British Columbia

1982 ◽  
Vol 60 (5) ◽  
pp. 807-812 ◽  
Author(s):  
Donald M. Jones ◽  
John B. Theberge
Keyword(s):  
British Columbia ◽  
Home Range ◽  
Small Mammals ◽  
Vulpes Vulpes ◽  
Home Range Size ◽  
Ground Squirrels ◽  
Home Ranges ◽  
Red Foxes ◽  
Spermophilus Parryii ◽  
Arctic Ground Squirrels

Eight adult red foxes (Vulpes vulpes) were radio tracked during the summers of 1978 and 1979 in an alpine and subalpine environment of northwest British Columbia. The spatial distributions of small mammals (mice, voles, and shrews) and arctic ground squirrels (Spermophilus parryii) were ascertained to complement the telemetric study. Summer home ranges averaged 1611 ha (range = 277–3420 ha) and were larger than vulpine ranges in temperate environments. Significant habitat selection was evident in five of the seven home ranges that were examined. Salix shrub communities were preferred habitats, whereas, open lichen – Empetrum and fen communities were avoided. Relative densities of small mammals and arctic ground squirrels varied significantly among plant communities. Possible explanations, considering the diet of the fox and the spatial distribution of its prey, are offered to account for the observed patterns of home-range size and habitat utilisation.

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