1979 …2018
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Research Output 1979 2018

1994

Blood parasites of blue grouse: variation in prevalence and patterns of interspecific association

Forbes, M., Weatherhead, P. J. & Bennett, G. E., May 1 1994, In : Oecologia. 97, 4, p. 520-525 6 p.

Research output: Contribution to journalArticle

hemoparasite
grouse
parasite
parasites
blood

Genetic analysis of populations of threatened snake species using RAPD markers

GIBBS, H. L., PRIOR, K. A. & Weatherhead, P. J., Jan 1 1994, In : Molecular ecology. 3, 4, p. 329-337 9 p.

Research output: Contribution to journalArticle

Endangered Species
Snakes
Population Genetics
genetic analysis
snake

Habitat quality and reproductive effort of common goldeneyes nesting near Sudbury, Canada

Mallory, M. L., McNicol, D. K. & Weatherhead, P. J., Jan 1 1994, In : Journal of Wildlife Management. 58, 3, p. 552-560 9 p.

Research output: Contribution to journalArticle

reproductive effort
habitat quality
Canada
habitats

Mixed mating strategies by females may strengthen the sexy son hypothesis

Weatherhead, P. J., Jan 1 1994, In : Animal Behaviour. 47, 5, p. 1210-1211 2 p.

Research output: Contribution to journalArticle

Movement patterns and territory acquisition by male red-winged blackbirds

Shutler, D. & Weatherhead, P. J., Jan 1 1994, In : Canadian journal of zoology. 72, 4, p. 712-720 9 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus

Natal philopatry in passerine birds: Genetic or ecological influences?

Weatherhead, P. J. & Forbes, M. R. L., Dec 1 1994, In : Behavioral Ecology. 5, 4, p. 426-433 8 p.

Research output: Contribution to journalArticle

philopatry
passerine
bird
birds
inbreeding

Natural selection and sexual size dimorphism in red-winged blackbirds

Weatherhead, P. J. & Clark, R. G., 1994, In : Evolution. 48, 4, p. 1071-1079 9 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
Genetic Selection
dimorphism
natural selection
Sex Characteristics

Presence or absence of fish as a cue to macroinvertebrate abundance in boreal wetlands

Mallory, M. L., Blancher, P. J., Weatherhead, P. J. & McNicol, D. K., Apr 1 1994, In : Hydrobiologia. 279-280, 1, p. 345-351 7 p.

Research output: Contribution to journalArticle

macroinvertebrates
macroinvertebrate
wetlands
wetland
fish

Risk-taking by female ducks: intra- and interspecific tests of nest defense theory

Forbes, M. R. L., Clark, R. G., Weatherhead, P. J. & Armstrong, T., Feb 1 1994, In : Behavioral Ecology and Sociobiology. 34, 2, p. 79-85 7 p.

Research output: Contribution to journalArticle

ducks
nest
flushing
nests
testing

Sexual size dimorphism and egg-size allometry in birds

Weatherhead, P. J. & Teather, K. L., Dec 1 1994, In : Evolution. 48, 3, p. 671-678 8 p.

Research output: Contribution to journalArticle

allometry
egg size
dimorphism
Sex Characteristics
Birds

The cost of extra-pair fertilizations to female red-winged blackbirds

Weatherhead, P. J., Montgomerie, R., Gibbs, H. L. & Boag, P. T., Jan 1 1994, In : Proceedings of the Royal Society B: Biological Sciences. 258, 1353, p. 315-320 6 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
Fertilization
nest
nests
Costs and Cost Analysis
1993

American robin nestlings compete by jockeying for position

McRae, S. B., Weatherhead, P. J. & Montgomerie, R., Aug 1993, In : Behavioral Ecology and Sociobiology. 33, 2, p. 101-106 6 p.

Research output: Contribution to journalArticle

Turdus migratorius
Songbirds
nestling
Food
nest

Condition and vulnerability to hunting among mallards staging at Lake St Clair, Ontario

Dufour, K. W., Ankney, C. D. & Weatherhead, P. J., Jan 1 1993, In : Journal of Wildlife Management. 57, 2, p. 209-215 7 p.

Research output: Contribution to journalArticle

Anas platyrhynchos
body mass
hunting
Ontario
vulnerability

Incubation rhythms and mass loss of common goldeneyes

Mallory, M. L. & Weatherhead, P. J., Jan 1 1993, In : Condor. 95, 4, p. 849-859 11 p.

Research output: Contribution to journalArticle

Nest site selection by common goldeneyes in response to habitat features influenced by acid precipitation

Mallory, M. L., Weatherhead, P. J., McNicol, D. K. & Wayland, M. E., Jan 1 1993, In : Ornis Scandinavica. 24, 1, p. 59-64 6 p.

Research output: Contribution to journalArticle

acid precipitation
Wetlands
acid deposition
nest site
site selection

Nonrepresentative sampling during waterfowl banding: emphasis on body condition

Dufour, K. W., Ankney, C. D. & Weatherhead, P. J., Jan 1 1993, In : Journal of Wildlife Management. 57, 4, p. 741-751 11 p.

Research output: Contribution to journalArticle

waterfowl
body condition
Anas platyrhynchos
gender
sampling

Parasite faunas, testosterone and secondary sexual traits in male red-winged blackbirds

Weatherhead, P. J., Metz, K. J., Bennett, G. F. & Irwin, R. E., Jul 1 1993, In : Behavioral Ecology and Sociobiology. 33, 1, p. 13-23 11 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
testosterone
parasite
fauna
parasites

Responses of nesting mergansers to parasitic common goldeneye eggs

Mallory, M. L. & Weatherhead, P. J., Jan 1 1993, In : Animal Behaviour. 46, 6, p. 1226-1228 3 p.

Research output: Contribution to journalArticle

egg
1992

Ecology of parasitism of brown-headed cowbirds by haematozoa

Weatherhead, P. J. & Bennett, G. F., Jan 1 1992, In : Canadian journal of zoology. 70, 1, p. 1-7 7 p.

Research output: Contribution to journalArticle

Molothrus ater
parasitism
parasite prevalence
ecology
bird

Multiple paternity in a wild population of northern water snakes, Nerodia sipedon

Barry, F. E., Weatherhead, P. J. & Philipp, D. P., Apr 1 1992, In : Behavioral Ecology and Sociobiology. 30, 3-4, p. 193-199 7 p.

Research output: Contribution to journalArticle

paternity
snake
wild population
snakes
water

Preliminary observations of habitat use and movements of the eastern massasauga rattlesnake (Sistrurus c. catenatus)

Weatherhead, P. J. & Prior, K. A., Jan 1 1992, In : Journal of Herpetology. 26, 4, p. 447-452 6 p.

Research output: Contribution to journalArticle

Sistrurus
Sistrurus catenatus
lowland forests
coniferous forest
snake

Seeing red: uncovering coverable badges in red-winged blackbirds

Metz, K. J. & Weatherhead, P. J., Jan 1 1992, In : Animal Behaviour. 43, 2, p. 223-229 7 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
feather
feathers
clipping

Thermal constraints on swimming performance and escape response of northern water snakes (Nerodia sipedon)

Weatherhead, P. J. & Robertson, I. C., Jan 1 1992, In : Canadian journal of zoology. 70, 1, p. 94-98 5 p.

Research output: Contribution to journalArticle

snake
snakes
heat
water temperature
water

The role of temperature in microhabitat selection by northern water snakes (Nerodia sipedon)

Robertson, I. C. & Weatherhead, P. J., Jan 1 1992, In : Canadian journal of zoology. 70, 3, p. 417-422 6 p.

Research output: Contribution to journalArticle

snake
microhabitat
snakes
microhabitats
temperature
1991

Are skewed fledgling sex ratios in sexually dimorphic birds adaptive

Weatherhead, P. J. & Teather, K. L., Jan 1 1991, In : American Naturalist. 138, 5, p. 1159-1172 14 p.

Research output: Contribution to journalArticle

sex ratio
bird
birds
fledging
nestling

A test of the condition-bias hypothesis using brown-headed cowbirds trapped during the breeding season

Dufour, K. W. & Weatherhead, P. J., Jan 1 1991, In : Canadian journal of zoology. 69, 10, p. 2686-2692 7 p.

Research output: Contribution to journalArticle

Molothrus ater
breeding season
bird
birds
traps

Basal song rate variation in male red-winged blackbirds: Sound and fury signifying nothing?

Shutler, D. & Weatherhead, P. J., Jun 1 1991, In : Behavioral Ecology. 2, 2, p. 123-132 10 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
song
animal communication
rate
harem

Color bands function as secondary sexual traits in male red-winged blackbirds

Metz, K. J. & Weatherhead, P. J., Jan 1 1991, In : Behavioral Ecology and Sociobiology. 28, 1, p. 23-27 5 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
Color
color
Birds
bird

Competition at the carcass: opportunities for social foraging by turkey vultures in southern Ontario

Prior, K. A. & Weatherhead, P. J., Jan 1 1991, In : Canadian journal of zoology. 69, 6, p. 1550-1556 7 p.

Research output: Contribution to journalArticle

carrion
dead animals
Ontario
foraging
Corvus brachyrhynchos

Detection of a hypervariable DNA locus in birds by hybridization with a mouse MHC probe

Gibbs, H. L., Boag, P. T., White, B. N., Weatherhead, P. J. & Tabak, L. M., 1991, In : Molecular Biology and Evolution. 8, 4, p. 433-446 14 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
major histocompatibility complex
Birds
parentage
Major Histocompatibility Complex

Ecology of red-winged blackbird parasitism by haematozoa

Weatherhead, P. J. & Bennett, G. F., Jan 1 1991, In : Canadian journal of zoology. 69, 9, p. 2352-2359 8 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
parasitism
parasite
ecology
parasites

Good news and bad news about DNA fingerprinting

Weatherhead, P. J. & Montgomerie, R. D., Jan 1 1991, In : Trends in Ecology and Evolution. 6, 6, p. 173-174 2 p.

Research output: Contribution to journalArticle

Owner and floater red-winged blackbirds: determinants of status

Shutler, D. & Weatherhead, P. J., Apr 1 1991, In : Behavioral Ecology and Sociobiology. 28, 4, p. 235-241 7 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
replacement
resource
removal experiment
aviaries

Plumage variation and dominance in captive female red-winged blackbirds

Muma, K. E. & Weatherhead, P. J., Jan 1 1991, In : Canadian journal of zoology. 69, 1, p. 49-54 6 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
plumage
1990

Brood care in American robins: Implications for mixed reproductive strategies by females

Weatherhead, P. J. & Mcrae, S. B., Jan 1 1990, In : Animal Behaviour. 39, 6, p. 1179-1188 10 p.

Research output: Contribution to journalArticle

Turdus migratorius
brood rearing
reproductive strategy
nest
nests

Genetics of long-spurred pheasants (I)

Weatherhead, P. J. & Hoysak, D. J., 1990, In : Nature. 343, 6259, p. 599-600 2 p.

Research output: Contribution to journalLetter

Genetic Crosses
Birds
Reproduction

Mate-choice criteria of Ipswich sparrows: the importance of variability

Reid, M. L. & Weatherhead, P. J., Jan 1 1990, In : Animal Behaviour. 40, 3, p. 538-544 7 p.

Research output: Contribution to journalArticle

Passeriformes
mate choice
mating behavior
vigor
song

Nest defence as shareable paternal care in red-winged blackbirds

Weatherhead, P. J., Jan 1 1990, In : Animal Behaviour. 39, 6, p. 1173-1178 6 p.

Research output: Contribution to journalArticle

paternal care
Agelaius phoeniceus
nest
nests
defence

Realized reproductive success of polygynous red-winged blackbirds revealed by DNA markers

Gibbs, H. L., Weatherhead, P. J., Boag, P. T., White, B. N., Tabak, L. M. & Hoysak, D. J., Jan 1 1990, In : Science. 250, 4986, p. 1394-1397 4 p.

Research output: Contribution to journalArticle

Genetic Markers
Fertilization
Major Histocompatibility Complex
Birds

Secondary sexual traits, parasites, and polygyny in red-winged blackbirds, Agelaius phoeniceus

Weatherhead, P. J., Dec 1 1990, In : Behavioral Ecology. 1, 2, p. 125-130 6 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
polygyny
Marriage
Fitness
parasite

Targets of sexual selection: song and plumage of wood warblers

Shutler, D. & Weatherhead, P. J., Jan 1 1990, In : Evolution. 44, 8, p. 1967-1977 11 p.

Research output: Contribution to journalArticle

Parulidae
Songbirds
plumage
Music
song
1989

Male traits expressed in females: direct or indirect sexual selection?

Muma, K. E. & Weatherhead, P. J., Jul 1 1989, In : Behavioral Ecology and Sociobiology. 25, 1, p. 23-31 9 p.

Research output: Contribution to journalArticle

sexual selection
plumage
genetic correlation
Agelaius phoeniceus
aggression

Nest defence by song sparrows: methodological and life history considerations

Weatherhead, P. J., Jan 1 1989, In : Behavioral Ecology and Sociobiology. 25, 2, p. 129-136 8 p.

Research output: Contribution to journalArticle

Passeriformes
song
animal communication
nest
life history

Sex-specific mortality in nestling great-tailed grackles

Teather, K. L. & Weatherhead, P. J., Jan 1 1989, In : Ecology. 70, 5, p. 1485-1493 9 p.

Research output: Contribution to journalArticle

nestling
starvation
sex ratio
mortality
gender

Spatial and activity patterns of black rat snakes (Elaphe obsoleta) from radiotelemetry and recapture data

Weatherhead, P. J. & Hoysak, D. J., Jan 1 1989, In : Canadian journal of zoology. 67, 2, p. 463-468 6 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
radiotelemetry
radio telemetry
activity pattern
snake

Temporal and thermal aspects of hibernation of black rat snakes (Elaphe obsoleta) in Ontario

Weatherhead, P. J., Jan 1 1989, In : Canadian journal of zoology. 67, 9, p. 2332-2335 4 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
hibernation
snake
Ontario
heat
1988

Female settling patterns and polygyny: tests of a neutral-mate- choice hypothesis

Lightbody, J. P. & Weatherhead, P. J., Jan 1 1988, In : American Naturalist. 132, 1, p. 20-33 14 p.

Research output: Contribution to journalArticle

polygyny
mate choice
mating behavior
testing
reproductive success

Risks and rewards of nest defence by parent birds

Montgomerie, R. D. & Weatherhead, P. J., Jan 1 1988, In : Quarterly Review of Biology. 63, 2, p. 167-187 21 p.

Research output: Contribution to journalArticle

Reward
Birds
nests
birds
Costs and Cost Analysis

Sex-specific energy requirements of great-tailed grackle (Quiscalus mexicanus) nestlings

Teather, K. L. & Weatherhead, P. J., Jan 1 1988, In : Journal of Animal Ecology. 57, 2, p. 659-668 10 p.

Research output: Contribution to journalArticle

Quiscalus
specific energy
nestling
energy requirements
gender

Topographical constraints on competition for territories.

Reid, M. L. & Weatherhead, P. J., Jan 1 1988, In : Oikos. 51, 1, p. 115-117 3 p.

Research output: Contribution to journalArticle

habitats
habitat
topography