Defective wing development in black-headed gull (Larus ridibundus) – case report

https://doi.org/10.17221/5793-VETMEDCitation:Rajchard J., Rajchard V. (2003): Defective wing development in black-headed gull (Larus ridibundus) – case report. Veterinarni Medicina, 48: 373-374.
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In 2000–2001 juvenile individuals of black-headed gull (Larus ridibundus) were repeatedly found in a Nadeje fishpond system in the Trebon Basin Area that were incapable of flying, with deformed wings. The inves­tigation proved the rotation of metacarpal bones and luxation of the carpal joint. The Roentgen photograph did not show any consequences of any fracture, but this was evidently a post-traumatic state. A possible explanation is traumatisation of developing wings in young birds that got stuck by their wings in viscous mud around the nest colony.
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