1979 …2018
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Research Output 1979 2018

2008

Parental care in response to natural variation in nest predation pressure in six sunfish (Centrarchidae: Teleostei) species

Cooke, S. J., Weatherhead, P. J., Wahl, D. H. & Philipp, D. P., Dec 1 2008, In : Ecology of Freshwater Fish. 17, 4, p. 628-638 11 p.

Research output: Contribution to journalArticle

Centrarchidae
nest predation
parental care
nests
predation

Prey-mediated effects of drought on condition and survival of a terrestrial snake

Sperry, J. H. & Weatherhead, P. J., Oct 1 2008, In : Ecology. 89, 10, p. 2770-2776 7 p.

Research output: Contribution to journalArticle

snake
snakes
drought
small mammal
small mammals

Snake activity affects seasonal variation in nest predation risk for birds

Sperry, J. H., Peak, R. G., Cimprich, D. A. & Weatherhead, P. J., Jul 1 2008, In : Journal of Avian Biology. 39, 4, p. 379-383 5 p.

Research output: Contribution to journalArticle

nest predation
predation risk
snake
snakes
nest

Yolk testosterone and estradiol variation relative to clutch size, laying order and hatching asynchrony in Common Grackles

Maddox, J. D., Bowden, R. M. & Weatherhead, P. J., May 28 2008, In : Journal of Ornithology. 149, 4, p. 643-649 7 p.

Research output: Contribution to journalArticle

clutch size
testosterone
steroids
estradiol
hatching
2007

Changes in habitat use and movement patterns with body size in black ratsnakes (Elaphe obsoleta)

Blouin-Demers, G., Bjorgan, L. P. G. & Weatherhead, P. J., Dec 1 2007, In : Herpetologica. 63, 4, p. 421-429 9 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
habitat use
body size
habitats
forest edge

Demographic effects of road mortality in black ratsnakes (Elaphe obsoleta)

Row, J. R., Blouin-Demers, G. & Weatherhead, P. J., Jun 1 2007, In : Biological Conservation. 137, 1, p. 117-124 8 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
roads
demographic statistics
road
mortality

Morphology versus molecules: Sexing Red-winged Blackbird nestlings

Weatherhead, P. J., Muma, K. E., Maddox, J. D., Knox, J. M. & Dufour, K. W., Dec 1 2007, In : Journal of Field Ornithology. 78, 4, p. 428-435 8 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
sex determination analysis
nestling
sex ratio
methodology

Social and ecological factors affecting paternity allocation in American robins with overlapping broods

Rowe, K. M. C. & Weatherhead, P. J., Jun 1 2007, In : Behavioral Ecology and Sociobiology. 61, 8, p. 1283-1291 9 p.

Research output: Contribution to journalArticle

Turdus migratorius
paternity
nest
nests
mate guarding
2006

A test of the hierarchical model of habitat selection using eastern massasauga rattlesnakes (Sistrurus c. catenatus)

Harvey, D. S. & Weatherhead, P. J., Jun 1 2006, In : Biological Conservation. 130, 2, p. 206-216 11 p.

Research output: Contribution to journalArticle

Sistrurus
Sistrurus catenatus
habitat preferences
habitat selection
microhabitat

Does mammalian prey abundance explain forest-edge use by snakes?

Carfagno, G. L. F., Heske, E. J. & Weatherhead, P. J., Oct 11 2006, In : Ecoscience. 13, 3, p. 293-297 5 p.

Research output: Contribution to journalArticle

forest edge
snake
edge effects
snakes
small mammal

Energetics of parental care in six syntopic centrarchid fishes

Cooke, S. J., Philipp, D. P., Wahl, D. H. & Weatherhead, P. J., Jun 1 2006, In : Oecologia. 148, 2, p. 235-249 15 p.

Research output: Contribution to journalArticle

parental care
energetics
duration
fish
cost

Habitat use and activity of Prairie Kingsnakes (Lampropeltis calligaster calligaster) in Illinois

Richardson, M. L., Weatherhead, P. J. & Brawn, J. D., Dec 1 2006, In : Journal of Herpetology. 40, 4, p. 423-428 6 p.

Research output: Contribution to journalArticle

habitat use
prairies
prairie
roads
road
Sistrurus catenatus
hibernation
site selection
snake
snakes

Hybridization between mtDNA-defined phylogeographic lineages of black ratsnakes (Pantherophis sp.)

Gibbs, H. L., Corey, S. J., Blouin-Demers, G., Prior, K. A. & Weatherhead, P. J., Oct 1 2006, In : Molecular ecology. 15, 12, p. 3755-3767 13 p.

Research output: Contribution to journalArticle

Mitochondrial DNA
mitochondrial DNA
hybridization
Snakes
snake

Intraspecific and interspecific variation in use of forest-edge habitat by snakes

Carfagno, G. L. F. & Weatherhead, P. J., Oct 2006, In : Canadian Journal of Zoology. 84, 10, p. 1440-1452 13 p.

Research output: Contribution to journalArticle

interspecific variation
forest edge
intraspecific variation
snake
edge effects

Nests without eggs: Abandonment or cryptic predation?

Maddox, J. D. & Weatherhead, P. J., Jan 1 2006, In : Auk. 123, 1, p. 135-140 6 p.

Research output: Contribution to journalArticle

nest
predation
nests
egg
nest predation

Prenatal sex ratios and expression of sexually dimorphic traits in three snake species

Weatherhead, P. J., Kissner, K. J. & Sommerer, S. J., Aug 1 2006, In : Journal of Experimental Zoology Part A: Comparative Experimental Biology. 305, 8, p. 603-609 7 p.

Research output: Contribution to journalArticle

snakes
sex ratio
lizards
gender
Thamnophis
2005
Agelaius phoeniceus
climate variation
sex ratio
reproductive success
North Atlantic Oscillation
polyandry
mating success
Sex Ratio
sex ratio
litter

Genetic evidence for sexual selection in black ratsnakes, Elaphe obsoleta

Blouin-Demers, G., Gibbs, H. L. & Weatherhead, P. J., Jan 1 2005, In : Animal Behaviour. 69, 1, p. 225-234 10 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
sexual selection
sires
mating success
paternity

Limits to sexual size dimorphism in red-winged blackbirds: The cost of getting big?

Weatherhead, P. J. & Dufour, K. W., Jul 1 2005, In : Biological Journal of the Linnean Society. 85, 3, p. 353-361 9 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
dimorphism
nestling
cost
fledging
harem
Agelaius phoeniceus
sexual selection
hay
winter

Phenotypic effects on survival of neonatal northern watersnakes Nerodia sipedon

Kissner, K. J. & Weatherhead, P. J., Jan 1 2005, In : Journal of Animal Ecology. 74, 2, p. 259-265 7 p.

Research output: Contribution to journalArticle

hibernation
neonate
neonates
litters (young animals)
litter
site fidelity
philopatry
reproductive success
gender
cost
2004

Long-term effects of radiotelemetry on black ratsnakes

Weatherhead, P. J. & Blouin-Demers, G., Jan 1 2004, In : Wildlife Society Bulletin. 32, 3, p. 900-906 7 p.

Research output: Contribution to journalArticle

radiotelemetry
radio telemetry
snake
snakes
long term effects

Phenotypic consequences of nest-site selection in black rat snakes (Elaphe obsoleta)

Blouin-Demers, G., Weatherhead, P. J. & Row, J. R., Mar 1 2004, In : Canadian journal of zoology. 82, 3, p. 449-456 8 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
nest site
site selection
snake
nesting sites

Sexual abstinence and the cost of reproduction in adult male water snakes, Nerodia sipedon

Brown, G. P. & Weatherhead, P. J., Feb 2004, In : Oikos. 104, 2, p. 269-276 8 p.

Research output: Contribution to journalArticle

snake
snakes
cost
water
reproductive cost

Turkey vultures foraging at experimental food patches: a test of information transfer at communal roosts

Prior, K. A. & Weatherhead, P. J., Nov 1 2004, In : Behavioral Ecology & Sociobiology. 28, 6, p. 385-390 6 p.

Research output: Contribution to journalArticle

patch test
information exchange
foraging
food
roosting

Understanding avian nest predation: Why ornithologists should study snakes

Weatherhead, P. J. & Blouin-Demers, G., May 1 2004, In : Journal of Avian Biology. 35, 3, p. 185-190 6 p.

Research output: Contribution to journalReview article

nest predation
snake
snakes
nests
predation
2003

A test of the thermal coadaptation hypothesis with black rat snakes (Elaphe obsoleta) and northern water snakes (Nerodia sipedon)

Blouin-Demers, G., Weatherhead, P. J. & McCracken, H. A., Jan 1 2003, In : Journal of Thermal Biology. 28, 4, p. 331-340 10 p.

Research output: Contribution to journalArticle

Colubridae
Elaphe obsoleta
Snakes
snakes
Rats

Nesting activity, parental care behavior, and reproductive success of smallmouth bass, Micropterus dolomieu, in an unstable thermal environment

Cooke, S. J., Schreer, J. F., Philipp, D. P. & Weatherhead, P. J., Jan 1 2003, In : Journal of Thermal Biology. 28, 6-7, p. 445-456 12 p.

Research output: Contribution to journalArticle

Micropterus dolomieu
Bass
Reproductive Behavior
Fish
Fishes

Response of nesting savannah sparrows to 25 years of habitat change in a snow goose colony

Rockwell, R. F., Witte, C. R., Jefferies, R. L. & Weatherhead, P. J., Jan 1 2003, In : Ecoscience. 10, 1, p. 33-37 5 p.

Research output: Contribution to journalArticle

Anser caerulescens
snow
habitat
habitats
Manitoba

Seasonal and Prey-size Dietary Patterns of Black Ratsnakes (Elaphe obsoleta obsoleta)

Weatherhead, P. J., Blouin-Demers, G. & Cavey, K. M., Jan 1 2003, In : American Midland Naturalist. 150, 2, p. 275-281 7 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
prey size
eating habits
bird
snake

Sexual size dimorphism and timing of spring migration in birds

Kissner, K. J., Weatherhead, P. J. & Francis, C. M., Jan 1 2003, In : Journal of Evolutionary Biology. 16, 1, p. 154-162 9 p.

Research output: Contribution to journalArticle

dimorphism
bird
birds
Agelaius phoeniceus
sexual selection
2002

Comparative demography of black rat snakes (Elaphe obsoleta) in Ontario and Maryland

Blouin-Demers, G., Prior, K. A. & Weatherhead, P. J., Feb 12 2002, In : Journal of Zoology. 256, 1, p. 1-10 10 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
snake
demography
Ontario
snakes

Developmental plasticity and growth rates of green frog (Rana clamitans) embryos and tadpoles in relation to a leech (Macrobdella decora) predator

Schalk, G., Forbes, M. R. & Weatherhead, P. J., Jan 1 2002, In : Copeia. 2, p. 445-449 5 p.

Research output: Contribution to journalArticle

leech
Hirudinea
Rana
tadpoles
frog

Genetic analysis of the mating system and opportunity for sexual selection in northern water snakes (Nerodia sipedon)

Prosser, M. R., Weatherhead, P. J., Gibbs, H. L. & Brown, G. P., Nov 1 2002, In : Behavioral Ecology. 13, 6, p. 800-807 8 p.

Research output: Contribution to journalArticle

genetic analysis
snake
sexual selection
mating systems
reproductive strategy

Habitat-specific behavioural thermoregulation by black rat snakes (Elaphe obsoleta obsoleta)

Blouin-Demers, G. & Weatherhead, P. J., Jun 15 2002, In : Oikos. 97, 1, p. 59-68 10 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
thermoregulation
snake
habitat
habitats

Implications of movement patterns for gene flow in black rat snakes (Elaphe obsoleta)

Blouin-Demers, G. & Weatherhead, P. J., 2002, In : Canadian Journal of Zoology. 80, 7, p. 1162-1172 11 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
hibernation
snake
gene flow
breeding season

Male reproductive success and sexual selection in northern water snakes determined by microsatellite DNA analysis

Weatherhead, P. J., Prosser, M. R., Lisle Gibbs, H. & Brown, G. P., Nov 1 2002, In : Behavioral Ecology. 13, 6, p. 808-815 8 p.

Research output: Contribution to journalArticle

Colubridae
snake
sexual selection
Microsatellite Repeats
snakes
Micropterus dolomieu
Micropterus salmoides
parental care
energetics
fish

Synchronous variation and long-term trends in two populations of black rat snakes

Weatherhead, P. J., Blouin-Demers, G. & Prior, K. A., Dec 1 2002, In : Conservation Biology. 16, 6, p. 1602-1608 7 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
synchrony
snake
age structure
population size

Variation in nest defense in ducks: Methodological and biological insights

Gunness, M. A. & Weatherhead, P. J., Jun 18 2002, In : Journal of Avian Biology. 33, 2, p. 191-198 8 p.

Research output: Contribution to journalArticle

ducks
nest
nests
defense behavior
defence
2001
Elaphe obsoleta
thermoregulation
snake
habitat preferences
habitat selection

Breeding synchrony and nest predation in Red-winged Blackbirds

Weatherhead, P. J. & Sommerer, S. J., Jan 1 2001, In : Ecology. 82, 6, p. 1632-1641 10 p.

Research output: Contribution to journalArticle

Agelaius phoeniceus
nest predation
synchrony
nest
breeding

Caterpillar talk: Acoustically mediated territoriality in larval Lepidoptera

Yack, J. E., Smith, M. L. & Weatherhead, P. J., Sep 25 2001, In : Proceedings of the National Academy of Sciences of the United States of America. 98, 20, p. 11371-11375 5 p.

Research output: Contribution to journalArticle

Territoriality
Lepidoptera
Acoustics
Mandible
Communication

Counterintuitive parental investment by female dabbling ducks in response to variable habitat quality

Gunness, M. A., Clark, R. G. & Weatherhead, P. J., Jan 1 2001, In : Ecology. 82, 4, p. 1151-1158 8 p.

Research output: Contribution to journalArticle

parental investment
habitat quality
ducks
wetlands
habitats

Habitat use by black rat snakes (Elaphe obsoleta obsoleta) in fragmented forests

Blouin-Demers, G. & Weatherhead, P. J., Nov 20 2001, In : Ecology. 82, 10, p. 2882-2896 15 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
snake
habitat use
habitat fragmentation
snakes

Insights into population ecology and sexual selection in snakes through the application of DNA-based genetic markers

Gibbs, H. L. & Weatherhead, P. J., Jun 21 2001, In : Journal of Heredity. 92, 2, p. 173-179 7 p.

Research output: Contribution to journalArticle

Snakes
Ecology
Genetic Markers
DNA
Population

Sampling biases in demographic analyses of black rat snakes (Elaphe obsoleta)

Prior, K. A., Blouin-Demers, G. & Weatherhead, P. J., Dec 1 2001, In : Herpetologica. 57, 4, p. 460-469 10 p.

Research output: Contribution to journalArticle

Elaphe obsoleta
sampling bias
snake
demographic statistics
hibernation