Canada Goose
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Canada Goose Branta canadensis
I've been reading about how Canada geese eat. They nibble just the tips of the grass which provide the most nutrients for the least effort. 100 blades of grass a minute.

They are basically a constant, industrial quality, grass-eating, poop-converting machine (since they don't have extra stomachs like a cow does).

The disadvantage apparently is that to get enough energy, they have to eat all day long (kinda dangerous!). They will even graze in a full moon!
Focal length: 400 mm fStop: 10 ISO: 200 Shutter Speed: 1/125
San Rafael, CA - Las Gallinas Percolation Ponds
Nov 3, 2005