Hen House Success! While making his usual rounds, Delta’s Matt Chouinard came across a Delta Hen House in the early stages of hatching a clutch of mallards. [...]

Another Delta Hen House Success — Moments Leading to the Moment of Truth Success! While making his usual rounds, our Matt Chouinard came across a Delta Hen [...]

The Delta Duck Meet the Delta Duck! In this quick video, president and chief science officer Dr. Frank Rohwer makes the cordial introductions to a hen mallard nesting within a few feet [...]

Duckology with Dr. Frank – Renesting Frequency Among Upland Nesting Ducks When a puddle ducks’ eggs are eaten by predators, nearly all species will renest and try [...]

Duckology with Dr. Frank – Nest Searching with Chains Nest searching … or “chain dragging” … is a simple and safe way to locate duck nests on [...]

Duckology with Dr. Frank – Midsummer Molting The summer wing molt is a very unusual time for ducks. They gather up – dabblers and divers alike – [...]

Duckology with Dr. Frank – Nest Searching Surprise Nest searching on the North Dakota prairie gets especially exciting when a newly hatched nest of ducklings is discovered. [...]

Duckology with Dr. Frank – Preferred Nesting Cover of Five Common Duck Species The five most common ducks nesting in the uplands of the prairie pothole region [...]

Duckology with Dr. Frank: Hatched Versus Depredated Duck Eggs In this video Dr. Frank explains how to determine hatched versus depredated duck eggs. [...]

Duckology with Dr. Frank: Using Candling to Assess Incubation Stage Dr. Frank explains how Delta biologists use candling to assess a nest’s incubation stage. [...]