The effect of corticosterone on standard metabolic rates of small passerine birds

@article{Buttemer2004TheEO,
  title={The effect of corticosterone on standard metabolic rates of small passerine birds},
  author={William A. Buttemer and Lee B. Astheimer and John C. Wingfield},
  journal={Journal of Comparative Physiology B},
  year={2004},
  volume={161},
  pages={427-431}
}
SummaryResting metabolic rates of Gambel's white-crowned sparrows (Zonotrichia leucophrys gambelii) and pine siskins (Carduelis pinus) were evaluated at thermoneutral temperatures before and after administration of corticosterone (B) at physiological doses. There was no effect of B on basal metabolic rate of either species, but nocturnal metabolic rate varied significantly less over the 3-h period of measurement in B-treated sparrows and siskins than in control birds. These results, coupled… 

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References

SHOWING 1-10 OF 16 REFERENCES

Endocrine Responses of White-Crowned Sparrows to Environmental Stress

TLDR
The effects of selected assumed stressors on the plasma concentrations of corticosterone, luteinizing hormone, and sex steroid hormones in White-crowned Sparrows (Zonotrichia leucophrys) were assessed.

Thermoregulation in young black-headed gull (Larus ridibundus L.)

Thermoregulation in the titmouse (Parus major L.)

Time-Budget Estimates of Avian Energy Expenditure: Physiological and Meteorological Considerations

TLDR
Comparison of Htd's predicted by DLW to values predicted by the TB method indicate that measurement of activity costs at the time of the study and their subsequent evaluation through existing heat-transfer models are equally important to determining reliable energy budgets.

OXYGEN COMSUMPTION AND BODY TEMPERATURE IN RELATION TO AMBIENT TEMPERATURE IN THE WHITE-CROWNED SPARROW.

  • J. King
  • Biology
    Comparative biochemistry and physiology
  • 1964

Effects of dietary corticosterone on the growth and metabolism of immature Gallus domesticus.

Seasonal acclimatization to temperature in cardueline finches

TLDR
Increased stores of body lipid and muscle carbohydrate and the ability to mobilize these substrates rapidly during cold stress seem to be key factors in the superior thermogenic capacities of winter goldfinches.

Dose-related effects of noradrenaline and corticosterone on temperature regulation in the pigeon.

Energy relations of winter roost-site utilization by American goldfinches (Carduelis tristis)

TLDR
All but two birds sampled could endure a 15-h roost period at average overnight Te's as low as-40°C, and only 30% could survive the imposition of a 39-h fast at average Te's of-2°C.

Stress and adrenal function.

TLDR
In this brief review the responses of the avian adrenal glands to stressful stimuli, the mechanism of adrenal activation, and the function of the adrenal responses will be considered.