Hooded Mergansers I seen in a lagoon.

Now you see him

http://farm3.static.flickr.com/2191/2264918449_20c44d8ff0.jpg

Now you don't


http://farm3.static.flickr.com/2054/2265708668_b52a7df0a5.jpg

Female ( not that good a shot)

http://farm3.static.flickr.com/2162/2265707978_b93e80fd50.jpg

Now he is cute as a button.....great capture..

they are not easy to get close to! You did great!