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y lab has interests in all aspects of animal physiology, behaviour, and ecology. Research efforts are focussed primarily, though not exclusively, on freshwater and marine fish species, and on birds. Telemetry and physiological sampling techniques are major tools in our research.

Sampling macaroni penguins at a large breeding colony at Bird Island, South Georgia

Specific interests include the physiological and evolutionary responses of animals to natural and anthropogenic stressors. By coupling telemetry and physiological sampling techniques, I examine how individual variation in physiological condition affects migratory performance and future reproductive investment and organismal fitness.

Whenever possible, I also seek to apply these findings to issues concerning the conservation of aquatic and avian resources, with the aim of understanding, and hopefully predicting, the response of populations to environmental change.

Classes in which Glenn currently teaches: Biology Undergraduate Honours

Courting Grey-headed albatrosses, newly reunited after winter migration

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Undergraduate Honours Positions:

I anticipate having one or two positions available each year for Undergraduate Honours Thesis students (e.g. BIOL 4900). Ideally, thesis projects would involve some field work and data collection, but may more typically involve laboratory and/or data analyses. Ultimately, most projects will have a focus on the physiological underpinning of life-history variation, in either fish or birds, and will usually involve telemetry and behavioural data. Honours projects are a great introduction to research, to what life would be like in graduate school, and to what science is like as a career.

Crossin GT, Trathan PN, and Crawford RJM. 2012. The Macaroni Penguin (Eudyptes chrysolophus) and the Royal Penguin (E. schlegeli). In:听Penguins: Natural History and Conservation听(P Garcia-Borboroglu and PD Boersma, Eds.). University of Washington Press, Seattle. In press.

Cooke SJ, Crossin GT, and Hinch SG. 2011.听Pacific Salmon Migration- Completing the Cycle. Invited contribution to: The Encyclopedia of Fish Physiology: From Genome to Environment (AP Farrell, Ed.), vol. 3, pp. 1945-1952, Academic Press, San Diego.听听

Crossin GT, Poisbleau M, Demongin L, Chastel O, Williams TD, Eens M, and Quillfeldt P. 2012.听Migratory constraints on yolk precursor production limit egg androgen deposition and underlies a brood reduction strategy in rockhopper penguins. Biology Letters 00:000-000.听

Numbered female macaroni penguins in a study of breeding physiology and egg production

Cooke SJ, Hinch SG, Donaldson MR, Clark TD, Eliason EJ, Crossin GT, Raby GD, Jeffries KM, Lapointe MJ, Miller K, Patterson DA, Farrell AP.听2012.听Conservation physiology in practice: How physiological knowledge has improved our ability to sustainably manage Pacific salmon during up-river migration.听 Philosophical Transactions of the Royal Society of London B听367:1757-1769.听听

Crossin GT, Trathan PN, Phillips RA, Gorman KB, Dawson A., Sakamoto KQ, and Williams TD. 2012.听Corticosterone predicts foraging behaviour and parental care in macaroni penguins.听The American Naturalist听180:E31-41 (E-article).听听

Crossin GT, Phillips RA, Trathan PN, Fox DS, Dawson A, Wynne-Edwards KE, and Williams TD. 2012.听Migratory carryover effects and endocrinological correlates of reproductive decisions and reproductive success in female albatrosses.听General & Comparative Endocrinology听176:151-157.听听

Crossin GT, Dawson A, Phillips RA, Trathan PN, Gorman KB, Adlard S, and Williams TD. 2012.听Seasonal patterns of prolactin and corticosterone secretion in an Antarctic seabird that moults during reproduction.听General & Comparative Endocrinology听175:74-81.听听

Crossin GT, Trathan PN, and Williams TD. 2012.听Potential mode of clutch size determination and follicle development in Eudyptes penguins.听听Polar Biology听35:313-317.听

Crossin GT, Trathan PN, Phillips RA, Dawson A, Le Bouard F, and Williams TD. 2010.听A carry-over effect of migration underlies individual variation in reproductive readiness and extreme egg size dimorphism in macaroni penguins (Eudyptes chrysolophus).听The American Naturalist听176:357-366.听听

Edwards EWJ, Forcada J, and Crossin GT. 2009.听First documentation of leopard seal predation on South Georgia pintail duck.听Polar Biology听33:403-405.听听

Crossin GT, Hinch SG, Cooke SJ, Cooperman MS, Patterson DA, Welch DW, Hanson KC, Olsson I, English KK, and Farrell AP. 2009.听Mechanisms influencing the timing and success of reproductive migration in a capital-breeding, semelparous fish species: the sockeye salmon.听Physiological & Biochemical Zoology听82:635-652.听听

Hinch SG, Farrell AP, Cooke SJ, Patterson DA, Lapointe MF, Welch DW, English KK, Crossin GT, Miller K, Thomson RE, Van Der Kraak G, Olssen I, Shrimpton JM, and Cooperman MS. 2009.听听Using physiological telemetry and intervention experiments to examine the maladaptive shift in Fraser River's Late-Run Sockeye Salmon spawning migration.American Fisheries Society Symposium听69:891-894.

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