Keystone Ecology offer specialist ornithological knowledge of the Canterbury region, as well ecological knowledge of the wider South Island.


We pride ourselves in conducting effective invasive weed control while maintaining the integrity of the local environment.

Sustainable Farm Planning

If you want or need to protect the waterways on your land we can assist with advice on which species to choose and with labour to get the plants in the ground.

Ecosystem Restoration & Rehabilitation

We can work with you to recreate the natural habitat that once occupied your area of interest.

Bird Surveys & Management

As a consultant ornithologist, Niall has carried out and been involved in many projects that required a bird survey as part of their consent conditions.


We help to prevent the establishment and spread of invasive species.