. >> reporter: it was sheila lawrence who started it. >> she fed all of them. if it walked or crawled, she fed it. >> one look at those seven-foot wingspans carriying those three 0-pound bodies. -- 30-pound body. day, from dark to dark. >> reporter: until the day she wasn't. >> yeah. >> reporter: jim lost his wife eight months after her diagnosis, but not before she asked him, will you feed my swans, and he promised. >> no question in my mind that i was going to feed them. >> reporter: 38 buckets and 1200 pounds he will feed them just today, less talking, he will tell you than sheila would like. but that doesn't account for the speaking jim does with his heart. >> my passion is to make sure her legacy continues. >> reporter: his promise kept. >> she's looking down on him, saying "you are doing a good job". >> reporter: precious is the swan song that keeps on going. jim feeds the swans every winter morning. pays for the feeds with donations and out of his own pocket. >>> when a mother lost her 7 month old son, it proved to be another family's saving grace. . >>>