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Research Output

1979

Do savannah sparrows commit the concorde fallacy?

Weatherhead, P. J., Dec 1 1979, In : Behavioral Ecology and Sociobiology. 5, 4, p. 373-381 9 p.

Research output: Contribution to journalArticle

1980

Altruism in the Savannah sparrow?

Weatherhead, P. J. & Robertson, R. J., Sep 1 1980, In : Behavioral Ecology and Sociobiology. 6, 3, p. 185-186 2 p.

Research output: Contribution to journalArticle

Sexual recognition and anticuckoldry behaviour in savannah sparrows.

Weatherhead, P. J. & Robertson, R. J., Jun 1980, In : Canadian journal of zoology. 58, 6, p. 991-996 6 p.

Research output: Contribution to journalArticle

1982

Indirect assessment of avian damage to agriculture.

Weatherhead, P. J., Tinker, S. & Greenwood, H., Jan 1 1982, In : Journal of Applied Ecology. 19, 3, p. 773-782 10 p.

Research output: Contribution to journalArticle

Prey chracteristics of upland-breeding red-winged blackbirds, Agelaius phoeniceus.

Bendell, B. E. & Weatherhead, P. J., Jan 1 1982, In : Canadian Field-Naturalist. 96, 3, p. 265-271 7 p.

Research output: Contribution to journalArticle

Risk‐taking by Red‐winged Blackbirds and the Concorde Fallacy

Weatherhead, P. J., Jan 1 1982, In : Zeitschrift für Tierpsychologie. 60, 3, p. 199-208 10 p.

Research output: Contribution to journalArticle

Seasonal, habitat, and sex-specific food habits of red-winged blackbirds: implications for agriculture.

McNicol, D. K., Robertson, R. J. & Weatherhead, P. J., Jan 1 1982, In : Canadian journal of zoology. 60, 12, p. 3282-3289 8 p.

Research output: Contribution to journalArticle

Spring roosting dynamics of red-winged blackbirds: biological and management implications.

Greenwood, H. & Weatherhead, P. J., Jan 1 1982, In : Canadian journal of zoology. 60, 5, p. 750-753 4 p.

Research output: Contribution to journalArticle

1983

Secondary sex ratio adjustment in red-winged Blackbirds (Agelaius phoeniceus)

Weatherhead, P. J., Mar 1 1983, In : Behavioral Ecology and Sociobiology. 12, 1, p. 57-61 5 p.

Research output: Contribution to journalArticle

Two principal strategies in avian communal roosts.

Weatherhead, P. J., Jan 1 1983, In : American Naturalist. 121, 2, p. 237-243 7 p.

Research output: Contribution to journalArticle

1984

Behavioral and ecological factors contributing to American black duck- mallard hybridization.

Brodsky, L. M. & Weatherhead, P. J., Jan 1 1984, In : Journal of Wildlife Management. 48, 3, p. 846-852 7 p.

Research output: Contribution to journalArticle

Behavioural thermoregulation in wintering black ducks: roosting and resting.

Brodsky, L. M. & Weatherhead, P. J., Jan 1 1984, In : Canadian journal of zoology. 62, 7, p. 1223-1226 4 p.

Research output: Contribution to journalArticle

Fecal sac removal by tree swallows: the cost of cleanliness.

Weatherhead, P. J., Jan 1 1984, In : Condor. 86, 2, p. 187-191 5 p.

Research output: Contribution to journalArticle

1985

Habitat selection in an Ontario population of the snake, Elaphe obsoleta.

Weatherhead, P. J. & Charland, M. B., Jan 1 1985, In : Journal of Herpetology. 19, 1, p. 12-19 8 p.

Research output: Contribution to journalArticle

Variability in behavioural response of wintering black ducks to increased energy demands.

Brodsky, L. M. & Weatherhead, P. J., Jan 1 1985, In : Canadian journal of zoology. 63, 7, p. 1657-1662 6 p.

Research output: Contribution to journalArticle

1986

Condition of bias of hunter-shot mallards ( Anas platyrhynchos).

Greenwood, H., Clark, R. G. & Weatherhead, P. J., Jan 1 1986, In : Canadian Journal of Zooology. 64, 3, p. 599-601 3 p.

Research output: Contribution to journalArticle

Numerical responses of red-winged blackbird populations to changes in regional land-use patterns.

Clark, R. G., Weatherhead, P. J., Greenwood, H. & Titman, R. D., Jan 1 1986, In : Canadian journal of zoology. 64, 9, p. 1944-1950 7 p.

Research output: Contribution to journalArticle

Site infidelity in song sparrows

Weatherhead, P. J. & Boak, K. A., Oct 1986, In : Animal Behaviour. 34, 5, p. 1299-1310 12 p.

Research output: Contribution to journalArticle

The effect of fine-scale variations in agricultural land use on the abundance of red-winged blackbirds.

Clark, R. G. & Weatherhead, P. J., Jan 1 1986, In : Canadian journal of zoology. 64, 9, p. 1951-1955 5 p.

Research output: Contribution to journalArticle

1987

Competition for territories in red-winged blackbirds: Is resource-holding potential realized?

Eckert, C. G. & Weatherhead, P. J., May 1 1987, In : Behavioral Ecology and Sociobiology. 20, 5, p. 369-375 7 p.

Research output: Contribution to journalArticle

Field tests of information transfer in communally roosting birds

Weatherhead, P. J., Apr 1987, In : Animal Behaviour. 35, 2, p. 614-615 2 p.

Research output: Contribution to journalArticle

Ideal dominance distributions: a test using red-winged blackbirds (Agelaius phoeniceus)

Eckert, C. G. & Weatherhead, P. J., Jan 1 1987, In : Behavioral Ecology and Sociobiology. 20, 1, p. 43-52 10 p.

Research output: Contribution to journalArticle

Influence of population size on habitat use by territorial male red- winged blackbirds in agricultural landscapes

Clark, R. G. & Weatherhead, P. J., 1987, In : Auk. 104, 2, p. 311-315 5 p.

Research output: Contribution to journalArticle

Interactions among females in polygynous yellow-headed blackbirds

Lightbody, J. P. & Weatherhead, P. J., Jul 1987, In : Behavioral Ecology and Sociobiology. 21, 1, p. 23-30 8 p.

Research output: Contribution to journalArticle

Owners, floaters and competitive asymmetries among territorial red-winged blackbirds

Eckert, C. G. & Weatherhead, P. J., Oct 1987, In : Animal Behaviour. 35, 5, p. 1317-1323 7 p.

Research output: Contribution to journalArticle

Polygyny in the yellow-headed blackbird: female choice versus male competition

Lightbody, J. P. & Weatherhead, P. J., Dec 1987, In : Animal Behaviour. 35, 6, p. 1670-1684 15 p.

Research output: Contribution to journalArticle

The paradox of age-related dominance in brown-headed cowbirds ( Molothrus ater).

Weatherhead, P. J. & Teather, K. L., Jan 1 1987, In : Canadian journal of zoology. 65, 10, p. 2354-2357 4 p.

Research output: Contribution to journalArticle

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

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

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

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

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

Nest defence by song sparrows: methodological and life history considerations

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

Research output: Contribution to journalArticle

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

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

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

1990

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

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

Research output: Contribution to journalArticle

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

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

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

Research output: Contribution to journalArticle

Nest defence as shareable paternal care in red-winged blackbirds

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

Research output: Contribution to journalArticle

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

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

Targets of sexual selection: song and plumage of wood warblers

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

Research output: Contribution to journalArticle

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

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

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

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

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

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