Mating System: monogamous
Most mallard females breed when they are 1 year old, but they may not have much success; studies show that older females have more success in breeding. Mating occurs from March through June. Females lay from 5 to 14 eggs in a nest on the ground near a body of water. Eggs hatch after 26 to 28 days of incubation.
Breeding interval: Mallards breed once yearly, though sometimes a second clutch is raised, especially if the first clutch failed.
Breeding season: March through June
Range eggs per season: 5.0 to 14.0.
Range time to hatching: 28.0 (high) days.
Average fledging age: 8.0 weeks.
Average age at sexual or reproductive maturity (female): 1.0 years.
Average age at sexual or reproductive maturity (male): 1.0 years.
Key Reproductive Features: iteroparous ; gonochoric/gonochoristic/dioecious (sexes separate); sexual ; fertilization (Internal ); oviparous
Average eggs per season: 9.
Average age at sexual or reproductive maturity (male)
Sex: male: 365 days.
Average age at sexual or reproductive maturity (female)
Sex: female: 365 days.
Newly hatched Mallard Ducks are capable of swimming, walking, and communicating with their mother. Once hatched the female leads her ducklings to the water and abandons the nest. The young ducklings stay with their mother for about 8 weeks, then become independent.
Parental Investment: precocial ; female parental care
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