Robins typically take about 2 to 6 days to build a nest, with many sources indicating around 4 days as a common duration for nest construction
. The female robin primarily builds the nest, using materials such as grass, dead leaves, moss, and mud to create a sturdy, cup-shaped structure that is about 6-8 inches across and 3-6 inches high
. The nest-building process usually begins early in the breeding season, which can start as early as January if the weather is mild, but more commonly in March
. Robins often build new nests for each brood, typically having 2 or 3 broods per season, so they may build several nests throughout the year
. In summary:
- Nest building duration: 2 to 6 days, often around 4 days
- Materials: grass, leaves, moss, mud, lined with hair or feathers
- Builder: female robin (male may help by bringing materials)
- Timing: starts as early as January (mild weather), usually March
- Multiple nests per season: 2-3 broods, new nest for each brood
This quick and efficient nest-building enables robins to start laying eggs soon after the nest is ready, with the first egg often laid by day 8 of the process