- Woodpecker drilling a hole for a nest
- Osprey and Grakles
- Nests of the Bottle bird
- Nests of Social Weavers
- Nest of the Chicadee
- Male Stickleback Watching Eggs in Nest
- Fortress of the mole
- Female Stickleback Laying Eggs in Nest
- Female Stickleback about to Enter Nest
- Birds waiting for feeding time
- Aardvark
- A prairie dog town
- A home-made rabbit house
- A home-made chicken coop built on the 'scratching-shed' plan
- "Earth" of the Fox