Nankeen Kestrel (Falco cenchroides) siblings
Parent protecting its chicks from another kestrel coming in for the attack. Chicks are safe and growing up very quickly.
Part of the Little Tern courtship is a ritual where the male (on the right) hunts for food and gives it to his partner. This behaviour illustrates that the male can provide food for the female while she is nesting and can't feed herself, and food for the future chicks.