Curated OER
Help the Duck Find Her Babies
Learners study the basic need for animals to attract mates and reproduce young.
PBS
Pbs: Parenthood (Birds)
This article from the companion site to "The Life of Birds" by PBS is full of examples of parenting birds. There is astonishing variety in nest building, offspring rearing, care, and even manipulation and deceit.
Other
American Society for Engineering Education: E Gfi: Think Like a Bird!
Students learn about wildlife habitats, environmental engineering, and the complexities of nest construction by attempting to design and build a nest themselves. This activity can be done individually or with a partner.