Twofold seasonal variation in the supposedly constant, species‐specific, ratio of upstroke to downstroke flight muscles in red knots Calidris canutus

• Published in: Journal of Avian Biology
• Main Authors: Piersma, Theunis, Dietz, Maurine W.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2007
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Arctic; Dietz; Calidris canutus; Red Knot; Tundra
• Online Access: http://dx.doi.org/10.1111/j.2007.0908-8857.04253.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.2007.0908-8857.04253.x; https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.2007.0908-8857.04253.x

We show that in a long‐distance migrant shorebird species with outspoken seasonal changes in body mass and composition, the red knot Calidris canutus , the ratio between the masses of the small flight muscle ( musculus supracoracoideus , powering twists and active upstrokes of the wings) and the lar...