Diving seabirds risk fatal collisions

Australasian gannets, among the fastest and most agile hunting seabirds, risk fatal head and neck injuries when diving for fish.

Plunge diving is a generally successful strategy for gannets trying to catch small fish, but when two gannets target the same fish during a period of high-density feeding, fatal collisions can occur. New video footage also captures evidence of “kleptoparasitism” - a phenomenon in which one diving gannet targets a fish which another gannet, still underwater, has already caught in its beak.

Read more at Massey University