I sketched these in the field too, but I admit I peeked at the back of my digital camera for the adult feeding the youngsters. I find a quick peek at the back of my camera a wonderful tool when sketching in the field.
Western grebe with a minnow for its youngster.
Three days in the Klamath Basin was wonderful. After I got home I sketched and painted from my laptop. For more go to my blog: www.elvafieldnotes.blogspot.com