Canada Goose

Description:

Gray/brown goose with black head, neck and tail. It has white from ear to ear stretching under its beak. This bird has a small white mark above the eye. The fourth image shows the "V" formation in flight. The last shows its droppings. I was thinking perhaps this is has some Branta canadensis maxima in it causing the white above the eye but I'm not sure.

Habitat:

City Park lake in Fort Collins. "This species is native to North America. It breeds in Canada and the northern United States in a variety of habitats. Its nest is usually located in an elevated area near water such as streams, lakes, ponds and sometimes on a beaver lodge. Its eggs are laid in a shallow depression lined with plant material and down. The Great Lakes region maintains a very large population of Canada Geese." - Wikipedia

Notes:

When I was little, there use to be enormous flocks of these geese that would darken the sky enough to make people stop walking and look up. They're considered a pest leaving droppings everywhere and bacteria growing in it. They're also very loud, especially in large numbers.