Toco toucan

The eggs are incubated by both parents and hatch after 17-18 days. Chicks hatch naked and blind.

An excerpt from the article 16 facts about toco toucan

They do not open their eyes until they are three weeks old. The chicks have special pads on the bottom of their feet to protect them from the uneven ground of the nest. These disappear when they reach maturity. Toco toucans are very protective of their young. Chicks leave the nest after 46-50 days. 

They reach sexual maturity between their third and fourth year.