Peter Waser - Academia.edu (original) (raw)

Papers by Peter Waser

Research paper thumbnail of DNA from copulatory plugs can give insights into sexual selection

Journal of Zoology, Mar 23, 2011

... Keywords copulatory plugs; sperm competition; inbreeding avoidance. CorrespondenceJennifer C.... more ... Keywords copulatory plugs; sperm competition; inbreeding avoidance. CorrespondenceJennifer C. McCreight, Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA. Email: jmccreig@uw.edu Editor: Robert Knell ...

Research paper thumbnail of Measuring sex-biased dispersal in social mammals: comparisons of nuclear and mitochondrial genes in collared peccaries

Journal of Mammalogy, Dec 16, 2010

Research paper thumbnail of Territorial defence in speckled wood butterflies: why does the resident always win?

Animal Behaviour, Aug 1, 1979

Research paper thumbnail of A Tribute to Rasanayagam (Rudy) Rudran: Friend, Colleague, Devoted Conservationist, 14 July 1941 – 10 April 2023

International Journal of Primatology

Research paper thumbnail of Habitat acoustics and primate communication

American Journal of Primatology, 1986

INTRODUCTION Marler [1965, 1967, 19681 suggested that habitat differences influence both the moda... more INTRODUCTION Marler [1965, 1967, 19681 suggested that habitat differences influence both the modality of choice for communication and the expected complexity of signal reper-toires. Signal frequency, sound source height, and time of day all have since been shown to ...

Research paper thumbnail of Mangabey (Cercocebus albigena) population density, group size, and ranging: A twenty-year comparison

American Journal of Primatology, 1994

Research paper thumbnail of Mangabey (Cercocebus albigena) ranging patterns in relation to fruit availability and the risk of parasite infection in Kibale National Park, Uganda

American Journal of Primatology, 1997

Research paper thumbnail of Patterns of male residency and intergroup transfer in gray-cheeked mangabeys (Lophocebus albigena)

American Journal of Primatology, 2005

Research paper thumbnail of Is sexual monomorphism a predictor of polygynandry? Evidence from a social mammal, the collared peccary

Research paper thumbnail of Characterization of expressed class II MHC sequences in the banner-tailed kangaroo rat (Dipodomys spectabilis) reveals multiple DRB loci

Research paper thumbnail of Quantifying male-biased dispersal among social groups in the collared peccary (Pecari tajacu) using analyses based on mtDNA variation

Research paper thumbnail of Recent demographic bottlenecks are not accompanied by a genetic signature in banner‐tailed kangaroo rats (Dipodomys spectabilis)

Research paper thumbnail of How to measure inclusive fitness, revisited

Research paper thumbnail of No evidence of inbreeding avoidance or inbreeding depression in a social carnivore

Research paper thumbnail of Monthly variations in feeding and activity patterns of the mangabey, Cercocebus albigena (Lydekker)

African Journal of Ecology, 1975

Summary Ranging patterns, feeding activity, and time budgets of a group of gray-cheeked mangabeys... more Summary Ranging patterns, feeding activity, and time budgets of a group of gray-cheeked mangabeys in the Kibale Forest, western Uganda, were studied in May-June 1971 and from March 1972 to April 1973. Locations and activities of individuals in a fifteen-member group of this arboreal primate were systematically recorded at half-hourly intervals during continuous following of the group. Phenological data were concurrently collected for eleven species of intensively used trees. Mangabeys are primarily frugivores, although leaves and flowers of some species are eaten and substantial time was devoted to insect foraging. Although a typical twice-yearly alternation of wet and dry periods exists in this forest, strongly seasonal trends are the exception in the following aspects of mangabey behaviour: (1) extent and location of areas used, (2) distance moved daily, (3) percentage of time spent feeding or moving, (4) percentage of time spent feeding on different food types. An explanation may be provided by the phenological data, which indicate that many species of tree used by mangabeys fruit either asynchronously and nonseasonally or synchronously but at very long and possibly irregular intervals. Thus mangabeys are faced with foods which fluctuate widely in availability, particularly within a small area, but which are not seasonal in their fluctuations.

Research paper thumbnail of Diurnal and nocturnal strategies of the bushbuck Tragelaphus scriptus (Pallas)

African Journal of Ecology, 1975

Summary Bushbuck density, activity cycles, and ranging patterns on the Mweya Peninsula have been ... more Summary Bushbuck density, activity cycles, and ranging patterns on the Mweya Peninsula have been determined by continuous observation of individually recognizable animals. Individuals were followed for periods of 2 to 12 h, and observations were continued at night with the aid of a Starlight Scope image intensifier. The density of this population of bushbuck is very high compared to those reported using more standard censusing techniques. Home range size is larger (15-3-35-2 ha) for adult and subadult males than for females and immatures. Sex ratios show a preponderance of adult females, as has been reported for other populations. Contrary to most published accounts, these bushbuck are no more active at night than during the day; rather, they exhibit cycles of activity with a periodicity of 2–5 h. A crepuscular peak of movement is, however, apparent. Examination of individual home ranges and of ranging patterns indicates that this crepuscular activity peak is connected with a complete disjunction of areas utilized at night and during the day. Bushbuck move out of thickets into patches of grassland at dusk, returning to thickets before dawn. Other differences between nocturnal and diurnal activity include an increase in the relative amount of grazing at night. Possible reasons for these phenomena, in particular the probable role of predation, are discussed.

Research paper thumbnail of Female mobility and the mating system of the banner-tailed kangaroo rat (Dipodomys spectabilis

Research paper thumbnail of When Should Animals Tolerate Inbreeding?

The American Naturalist, 1986

... PETER M. WASER, STEVEN N. AUSTAD,* AND BRIAN KEANE Department of Biological Sciences, Purdue ... more ... PETER M. WASER, STEVEN N. AUSTAD,* AND BRIAN KEANE Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907 Submitted May 24, 1985; Revised ... Father-daughter inbreeding should be more common than mother-son inbreed-ing. ...

Research paper thumbnail of Effects of Spool-And-Line Tracking on Small Desert Mammals

The Southwestern Naturalist, 2006

Research paper thumbnail of On valuing patches: estimating contributions to metapopulation growth with reverse-time capture-recapture modelling

Proceedings of the Royal Society B: Biological Sciences, 2012

Research paper thumbnail of DNA from copulatory plugs can give insights into sexual selection

Journal of Zoology, Mar 23, 2011

... Keywords copulatory plugs; sperm competition; inbreeding avoidance. CorrespondenceJennifer C.... more ... Keywords copulatory plugs; sperm competition; inbreeding avoidance. CorrespondenceJennifer C. McCreight, Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA. Email: jmccreig@uw.edu Editor: Robert Knell ...

Research paper thumbnail of Measuring sex-biased dispersal in social mammals: comparisons of nuclear and mitochondrial genes in collared peccaries

Journal of Mammalogy, Dec 16, 2010

Research paper thumbnail of Territorial defence in speckled wood butterflies: why does the resident always win?

Animal Behaviour, Aug 1, 1979

Research paper thumbnail of A Tribute to Rasanayagam (Rudy) Rudran: Friend, Colleague, Devoted Conservationist, 14 July 1941 – 10 April 2023

International Journal of Primatology

Research paper thumbnail of Habitat acoustics and primate communication

American Journal of Primatology, 1986

INTRODUCTION Marler [1965, 1967, 19681 suggested that habitat differences influence both the moda... more INTRODUCTION Marler [1965, 1967, 19681 suggested that habitat differences influence both the modality of choice for communication and the expected complexity of signal reper-toires. Signal frequency, sound source height, and time of day all have since been shown to ...

Research paper thumbnail of Mangabey (Cercocebus albigena) population density, group size, and ranging: A twenty-year comparison

American Journal of Primatology, 1994

Research paper thumbnail of Mangabey (Cercocebus albigena) ranging patterns in relation to fruit availability and the risk of parasite infection in Kibale National Park, Uganda

American Journal of Primatology, 1997

Research paper thumbnail of Patterns of male residency and intergroup transfer in gray-cheeked mangabeys (Lophocebus albigena)

American Journal of Primatology, 2005

Research paper thumbnail of Is sexual monomorphism a predictor of polygynandry? Evidence from a social mammal, the collared peccary

Research paper thumbnail of Characterization of expressed class II MHC sequences in the banner-tailed kangaroo rat (Dipodomys spectabilis) reveals multiple DRB loci

Research paper thumbnail of Quantifying male-biased dispersal among social groups in the collared peccary (Pecari tajacu) using analyses based on mtDNA variation

Research paper thumbnail of Recent demographic bottlenecks are not accompanied by a genetic signature in banner‐tailed kangaroo rats (Dipodomys spectabilis)

Research paper thumbnail of How to measure inclusive fitness, revisited

Research paper thumbnail of No evidence of inbreeding avoidance or inbreeding depression in a social carnivore

Research paper thumbnail of Monthly variations in feeding and activity patterns of the mangabey, Cercocebus albigena (Lydekker)

African Journal of Ecology, 1975

Summary Ranging patterns, feeding activity, and time budgets of a group of gray-cheeked mangabeys... more Summary Ranging patterns, feeding activity, and time budgets of a group of gray-cheeked mangabeys in the Kibale Forest, western Uganda, were studied in May-June 1971 and from March 1972 to April 1973. Locations and activities of individuals in a fifteen-member group of this arboreal primate were systematically recorded at half-hourly intervals during continuous following of the group. Phenological data were concurrently collected for eleven species of intensively used trees. Mangabeys are primarily frugivores, although leaves and flowers of some species are eaten and substantial time was devoted to insect foraging. Although a typical twice-yearly alternation of wet and dry periods exists in this forest, strongly seasonal trends are the exception in the following aspects of mangabey behaviour: (1) extent and location of areas used, (2) distance moved daily, (3) percentage of time spent feeding or moving, (4) percentage of time spent feeding on different food types. An explanation may be provided by the phenological data, which indicate that many species of tree used by mangabeys fruit either asynchronously and nonseasonally or synchronously but at very long and possibly irregular intervals. Thus mangabeys are faced with foods which fluctuate widely in availability, particularly within a small area, but which are not seasonal in their fluctuations.

Research paper thumbnail of Diurnal and nocturnal strategies of the bushbuck Tragelaphus scriptus (Pallas)

African Journal of Ecology, 1975

Summary Bushbuck density, activity cycles, and ranging patterns on the Mweya Peninsula have been ... more Summary Bushbuck density, activity cycles, and ranging patterns on the Mweya Peninsula have been determined by continuous observation of individually recognizable animals. Individuals were followed for periods of 2 to 12 h, and observations were continued at night with the aid of a Starlight Scope image intensifier. The density of this population of bushbuck is very high compared to those reported using more standard censusing techniques. Home range size is larger (15-3-35-2 ha) for adult and subadult males than for females and immatures. Sex ratios show a preponderance of adult females, as has been reported for other populations. Contrary to most published accounts, these bushbuck are no more active at night than during the day; rather, they exhibit cycles of activity with a periodicity of 2–5 h. A crepuscular peak of movement is, however, apparent. Examination of individual home ranges and of ranging patterns indicates that this crepuscular activity peak is connected with a complete disjunction of areas utilized at night and during the day. Bushbuck move out of thickets into patches of grassland at dusk, returning to thickets before dawn. Other differences between nocturnal and diurnal activity include an increase in the relative amount of grazing at night. Possible reasons for these phenomena, in particular the probable role of predation, are discussed.

Research paper thumbnail of Female mobility and the mating system of the banner-tailed kangaroo rat (Dipodomys spectabilis

Research paper thumbnail of When Should Animals Tolerate Inbreeding?

The American Naturalist, 1986

... PETER M. WASER, STEVEN N. AUSTAD,* AND BRIAN KEANE Department of Biological Sciences, Purdue ... more ... PETER M. WASER, STEVEN N. AUSTAD,* AND BRIAN KEANE Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907 Submitted May 24, 1985; Revised ... Father-daughter inbreeding should be more common than mother-son inbreed-ing. ...

Research paper thumbnail of Effects of Spool-And-Line Tracking on Small Desert Mammals

The Southwestern Naturalist, 2006

Research paper thumbnail of On valuing patches: estimating contributions to metapopulation growth with reverse-time capture-recapture modelling

Proceedings of the Royal Society B: Biological Sciences, 2012