Place white confectioners' coating in the top of a double boiler over simmering water. Stir frequently, scraping down the sides with a rubber spatula to avoid scorching, until chocolate is melted, about 5 minutes.

Insert a toothpick into the marshmallows and dip them into the melted white chocolate. Then roll in coconut and place on the mint sandwich cookie. Using kitchen shears, cut a slit and place a cashew where the beak should go. Melt the chocolate chips. Using a toothpick, draw a dot with a line over it on each side of the eagle's head for the eyes.