Most songbirds leave nests at 4 weeks, born naked. Ducks hatch covered in feathers, some birds stay longer with parents.
Birds build diverse nests for safety, using materials like twigs, grass, and mud. Females typically construct nests, ensuring a secure spot for eggs.
Typically 17-18 days. Harpy Eagles: 56 days. Mallee Fowl record: 90 days. Albatrosses, Kiwis: 80+ days. Emperor Penguins: 60 days. "Brood patch" for warmth; mates assist.
Birds leave nests at different times. Ducks go in hours, eagles stay for 90 days. After flying, some self-sufficient, others need parental support.
Yes - baby birds stay with their parents. Baby birds usually stay with their mother for three weeks post leaving the nest.
Baby birds of small species typically start flying after around 19 days on average.
Nestlings depend on their mother for food and warmth; independence isn't an option.