The film shows a cuckoo caught in the act of laying an egg in the nest of two titlarks. The egg is hatched by the foster-mother, and she and her mate...

Documentary film promoting Imperial Airways, focusing on the many stages involved in air travel, with the majority of scenes featuring aerial shots...

A Secrets of Nature short, shot in a Zoo.

High speed photography used to show the seed dispersal methods of various plants.

A Secrets of Nature short.

A short black-and-white silent documentary film featuring the conflict between two colonies of wood ants joined by a piece of tiber laid across a...

A sign of approaching winter - the frost catches the leaves which begin to fall.

An unedited and untitled film of the opening of the new British Instructional Film Studios by the Rt. Hon L.S. Amery. Invited guests are seen...

The breeding cycle of the bittern, the cryptically plumaged relative of the herons.

A Secrets of Nature short.

A precursor short film to the Secrets of Nature shorts.

The birdlife of Northumberland's Farne Islands comes under the spotlight.

Beneath the waves are mountains, plains and valleys full of life: here the conger, the octopus, and the wrasse hunt for food; shrimps and prawns act...

The life cycle of the larva of the phantom-fly. Released in a silent (1926) and sound (1930) version.

A short black-and-white silent documentary film featuring the life-cycle of the Barn Owl.

Captivating slow-motion and quadrupeds aplenty in this fascinating look at animal movement.