Guidepost 2: What are the four goals of the scientific study of human development, and what do developmental scientists study? 1  The study of human development seeks to describe, explain, predict, and modify development.  Ways of studying human development are still evolving, making use of advanced technologies.
Dabbling ducks eat plants, seeds, grasses and other small insects and animals that they find on or under the water. Ducks which have broad beaks, (shovelers) sift their food for insects, snails and seeds from the mud.
Rating Newest Oldest. Best Answer: Wild ducks eat mainly grasses/vegetation and insects. Domestic ducks can be fed a general poultry food supplimented with various greens and veggies. They really love to eat snails and I've seen mine catch and kill mice and then eat them. Here's a couple of my favourite websites that can give you more details. http://www.feathersite.com/Poultry/BRKPo...