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Keywords: red knot
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Journal Articles
J Exp Biol (2007) 210 (7): 1123–1131.
Published: 01 April 2007
... immunosuppression, and hence be more vulnerable to infections en route . The red knot Calidris canutus Linnaeus is a long-distance migrant shorebird. We flew red knots the equivalent of 1500 km over 6 days in a wind tunnel. The humoral and cell-mediated immune responses of the flyers were compared to those of non...
Journal Articles
J Exp Biol (2006) 209 (16): 3141–3154.
Published: 15 August 2006
... investigated cold acclimation in a migrant shorebird known for extreme physiological flexibility, the red knot ( Calidris canutus , the northerly wintering subspecies islandica ). We measured BMR and M sum over two months in birds caught in the wild and transferred to experimentally controlled conditions...
Journal Articles
J Exp Biol (2003) 206 (19): 3369–3380.
Published: 01 October 2003
...Jan A. van Gils; Theunis Piersma; Anne Dekinga; Maurine W. Dietz SUMMARY Aiming to interpret functionally the large variation in gizzard masses of red knots Calidris canutus , we experimentally studied how the digestive processing rate is influenced by the size of the gizzard. During their non...
Journal Articles
J Exp Biol (2002) 205 (16): 2453–2460.
Published: 15 August 2002
...Susanne Jenni-Eiermann; Lukas Jenni; Anders Kvist; Åke Lindström; Theunis Piersma; G. Henk Visser SUMMARY This study examines fuel use and metabolism in a group of long-distance migrating birds, red knots Calidris canutus (Scolopacidae), flying under controlled conditions in a wind tunnel for up...
Journal Articles
J Exp Biol (2001) 204 (12): 2167–2173.
Published: 15 June 2001
...Anne Dekinga; Maurine W. Dietz; Anita Koolhaas; Theunis Piersma SUMMARY The ability to change organ size reversibly can be advantageous to birds that perform long migrations. During winter, red knots ( Calidris canutus ) feed on shellfish and carry a muscular gizzard that weighs 10% of their body...