Over 100 species of birds breed, nest or rest within park boundaries.

At lower latitudes many, but not all, species breed continuously.

Both recent species breed on cliffs, laying a single white egg.

Some species do not breed naturally with others, and medical intervention is needed to produce a child.

All the species breed in fresh water, but after spawning many of them descend to the sea if they have an opportunity.

"It be possible for dissimilar species to breed, but not easy," he said.

Many species breed in colonies or large communities which is known as communal breeding.

This species can breed year round depending on the local climate.

These remaining species are now breeding out of control and present a greater threat than the Brood ever did.

Both species typically breed in small groups, but their nesting habits are quite different.

It is not known if the species breeds in New Guinea, as some birds are present there all year.

The species breeds during the monsoons and the tadpoles are black.

The species breeds in colonies which can contain hundreds of individuals.

In India, the species breeds during the rainy season.

Colonies are attended nocturnally, and the species breeds during the winter.

The species breeds well in captivity and there is a large avicultural population.

Neither species breeds in the area, as water temperatures are too low.

In the wild this species breeds once or twice per year.

This species breeds in west, central and northeast tropical Africa.

The species breeds from around six years of age onwards.