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. [...]

Tracking Raccoons with Satellite Telemetry Delta Waterfowl is studying raccoon movements to increase the efficiency of Predator Management trapping.

Top Duck-Craving Predators Delta Waterfowl is on a mission to fill every flyway. Support the Million Duck Campaign Today. When it comes to food-chain hierarchy, [...]

Whose Nest Is It? Tips from Delta’s president and chief science officer Frank Rohwer on identifying the nests of mallards, pintails, blue-winged teal, gadwall and shovelers. [...]