The lone Eurasian Curlew amongst the whimbrels did something strange in that it swallowed a small pebble. Perhaps this is to aid digestion in some way.
Why would a bird swallow a stone? and what is a gastrolith? ...and what possible link could this have to dinosaurs?
http://www.ucmp.berkeley.edu/taxa/verts/archosaurs/gastroliths.php
https://en.wikipedia.org/wiki/Gastrolith
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2197205/
http://www.dinosaurhunter.org/26-0-Gastroliths.html
http://www.backyardnature.net/birdguts.htm
Location : Sungei Buloh Wetland Reserve, Singapore.
eurasian curlew swallowing a stone @ SBWR - 26Sep2015 from SgBeachBum on Vimeo.
Find out more about the Eurasian Curlew :
http://www.birdlife.org/datazone/speciesfactsheet.php?id=3012
https://en.wikipedia.org/wiki/Eurasian_curlew
https://singaporebirdgroup.wordpress.com/tag/eurasian-curlew/
http://www.besgroup.org/2008/10/26/eurasian-curlew-at-sungei-buloh-wetland-reserve/
http://www.arkive.org/eurasian-curlew/numenius-arquata/
http://www.oiseaux-birds.com/card-eurasian-curlew.html
http://eol.org/pages/1049389/details
How do you tell a Eurasian Curlew apart from a Whimbrel?
http://shorebirdie.hubpages.com/hub/whimbrelvscurlew
https://books.google.com.sg/books?id=GANpBAAAQBAJ&pg=PA128&lpg=PA128&dq=eurasian+curlew+and+whimbrel&source=bl&ots=oPJPdSdo0q&sig=FsisRUVCczBUKW6VVUJlXxvGAZw&hl=en&sa=X&ved=0CEcQ6AEwCGoVChMIutaM46uWyAIVC1aOCh2gHQUG#v=onepage&q=eurasian%20curlew%20and%20whimbrel&f=false
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