Bottlenose dolphin (Tursiops truncatus truncatus) leaping at speed with most of its body clear of the water. Moray Firth, Scotland

An adult bottlenose dolphin (Tursiops truncatus) breaching from the water in the early evening showing scarring on dorsal fin and body marks, Moray Firth, Scotland

A young Bottlenose Dolphin (Tursiops truncatus) breaching from the water of the Moray Firth, Scotland

A calf and three adult bottlenose dolphins (Tursiops truncatus) breaching from the water, Moray Firth, Scotland.

A young Bottlenose dolphin calf (Tursiops truncatus) surfaces to breathe Moray Firth, Scotland.

A Bottlenose Dolphin (Tursiops truncatus) breaching above surface, Moray Firth, Scotland.

A young Bottlenose Dolphin calf (Tursiops truncatus) surfacing to breathe from the water beside its mother. Moray Firth, Scotland

A pair of young Bottlenose dolphins (Tursiops truncatus) breaches from the water, Moray Firth, Scotland showing cliffs and coastline in the background.

A neonate (newborn) bottle nose calf surfaces beside a research boat next to its mother, Moray Firth, Scotland.

A young Bottlenose Dolphin calf (Tursiops truncatus) spy hops Moray Firth, Scotland.

A juvenile Bottlenose dolphin (Tursiops truncatus) breaching from the water near Chanonry Point, Moray Firth, Scotland showing far shore and wall of Fort George.

A young Bottlenose Dolphin calf (Tursiops truncatus) lands backwards after breaching, Moray Firth, Scotland.

Bottlenose Dolphin (Tursiops truncatus). Jumping clear of the water in wake of boat, Gulf of California, Mexico.

Common Bottlenose Dolphin (Tursiops truncatus truncatus). Hebrides, Scotland

Bottlenose Dolphin (Tursiops truncatus truncatus) leaping from breaking wave. South Africa.

Bottlenose dolphin (Tursiops truncatus) bow riding cargo ship, Shannon, Ireland

Bottlenose Dolphins (Tursiops truncatus) Three adults leaping. Gulf of California (Sea of Cortez), Mexico.

Bottlenose dolphin (Tursiops truncatus). Social group. Hebrides, Scotland.

Bottlenose Dolphins (Tursiops truncatus) bow riding a pleasure yacht. Los Islotes in the lower Gulf of California (Sea of Cortez), Mexico.

Bottlenose dolphin (Tursiops truncatus truncatus) bow-riding a cargo ship Shannon Estuary, Ireland.

Bottlenose dolphins (Tursiops truncatus ) resting at the surface, in a large group for this area, near Isle of Skye. Hebrides, Scotland.

Bottlenose dolphin (Tursiops truncatus truncatus) leaping from under the bow of an RNLI boat, closely watched by the off duty crew. (Image is 1 of 2). Hebrides, Scotland

Mixed-species pod of Bottlenose dolphins (Tursiops truncatus), leaping in background and Short finned pilot whales (Globicephala macrorhynchus) in for

Bottlenose dolphins (Tursiops truncatus ) travelling as group, with head of young animal visible, near Isle of Skye. Hebrides, Scotland.

Bottlenose dolphin (Tursiops truncatus truncatus) leaping clear of the water. Moray Firth, Scotland