Two adults arriving to the nest to feed chicks, then one flying away and the other brooding.
A pair attempting to mate and another pair mating (in slow motion).
Views of three different birds taking mud to build their nests.
Several birds visiting a feeding station and collecting mealworms.
Huge flocks flying synchronously before going to roost at the colonies. It was 23:30h, but given the latitude it was still...
A displaying male making calls and jumps.