sentence: Hoatzins can fly only short distances even when they are fully grown, so they usually climb.
sentences_before: Hoatzin chicks are born with hooks on their wings. They use the hooks to climb around in the trees before they are large enough to fly.
sentences_after: They build their nests over water. If danger threatens, the birds dive into the water. They climb back up the tree after the danger has past.
concept_name: hoatzin
headings: Hoatzin Life and description
categories: Birds