How many babies peregrine falcon have birth?

Peregrine Falcons have a high mortality rate (15 years). Females will lay usually 3 to 5 eggs, and incubate them for 34 days. Chicks eat an incredible amount of food doubling their weight in just six days. By the time they are three weeks old they are 10 times their birth weight. Banding has provided Scientists with statics about Peregrine Falcons as there is only a 50% survival rate in the first year and out of that 50% only 25% of the birds make it to age two.