Ambleside Park: December 12th 2009

A quick bit of birding was in order in between studying for exams and so I got out of the house and went to Ambleside for a little under an hour. The duck pond was partially iced over forcing the birds swim and forage in a smaller area. It was almost comical to watch some of the ducks gingerly walking across the ice as it began to crack underfoot.

Several Lesser Scaup were diving close to the edge of the pond and so it was possible to view them zooming around underwater from the trail. Their main source of food includes insects, crustaceans, and mollusks; although seeds and aquatic vegetation are also consumed in some areas (Austin et al 1998). I’m sure I’ve also seen them occasionally surface with a fish in their bill. Prey is primarily consumed underwater (Tome and Wrubleski 1988).

Other duck species included Bufflehead, Common Goldeneye, Hooded Merganser, and large numbers of Mallard and American Widgeon. The resident Mute Swans were also foraging and occasionally bullying other ducks that got too close.

It’s amazing what birding can do in terms of recharging one’s batteries. Once I got back to studying it almost felt as though I had just woken up from a good night’s sleep.

References:

Austin, Jane E., Christine M. Custer and Alan D. Afton. 1998. Lesser Scaup (Aythya affinis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu.proxy.lib.sfu.ca/bna/species/338doi:10.2173/bna.338

Tome, M. W. and D. A. Wrubleski. 1988. Underwater foraging behavior of Canvasbacks, Lesser Scaups, and Ruddy Ducks. Condor 90:168-172.

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