scholarly journals Effects of developmental conditions on nestling American Kestrel (Falco sparverius) corticosterone concentrations

2011 ◽  
Vol 173 (1) ◽  
pp. 164-170 ◽  
Author(s):  
Erin H. Strasser ◽  
Julie A. Heath
1988 ◽  
Vol 66 (7) ◽  
pp. 1685-1692 ◽  
Author(s):  
Michèle D. Saumier ◽  
Manfred E. Rau ◽  
David M. Bird

Trichinella pseudospiralis infections induced mild behavioural changes in the American kestrel host (Falco sparverius) within the first 5 days postinoculation, a period that corresponds to the adult phase of the infection. However, more severe effects on mobility were precipitated as the larvae migrated and became established in the musculature. The debilitation persisted for at least 5 weeks postinoculation and involved a reduction in exercising, flying, elevated perching, and preening, and was accompanied by an increase in the frequency of walking and floor perching. Such behavioural effects, attributable to the presence of muscle larvae, may reduce the competitive fitness of infected individuals. The muscle larvae were randomly distributed among various muscle groups.


2002 ◽  
Author(s):  
John A. Smallwood ◽  
David M. Bird

2021 ◽  
Vol 28 (3) ◽  
Author(s):  
Lucille M. Williams ◽  
Donald P. Althoff ◽  
Robert L. Hopkins ◽  
Henry J. Barrows

1998 ◽  
Vol 76 (7) ◽  
pp. 1399-1402 ◽  
Author(s):  
Keith W. Sockman ◽  
Hubert Schwabl

2019 ◽  
Vol 131 (2) ◽  
pp. 410 ◽  
Author(s):  
Sarah E. Schulwitz ◽  
Michael C. Griffith ◽  
Christopher J. W. McClure

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