Birds that have a great speed

Common swift- 70 mph

The common swift has two modes of level flight, and holds the record for the longest uninterrupted flight, flying non-stop for 10 months.

Red-breasted merganser- 80 mph

Red-breasted merganser is the fastest duck species in the world, but can only maintain such speeds for short periods.

Grey-headed albatross- 80 mph

The grey-headed albatross is the fastest bird in level flight, with a wingspan of more than 7 feet.

Eurasian hobby- 100 mph

The Eurasian hobby is a bird of prey with a fast diving motion and exquisite mid-air control, making it a ruthless hunter.