How Native Irish Trees Support Wildlife in Ireland

The health of Ireland’s wildlife is closely tied to its trees. Native Irish trees provide shelter, nesting space, food sources and movement corridors for countless species. When native woodlands return, bird calls increase, insects multiply and mammals reappear. Wildlife does not need intervention as much as it needs habitat. Native trees create that habitat naturally and sustainably.

The Historical Loss of Native Woodlands in Ireland

Ireland was once heavily wooded, with native forests covering much of the landscape. Over centuries, land clearing for agriculture and development reduced woodland cover dramatically. As forests disappeared, wildlife habitats fragmented. Today, many species survive only in isolated patches of native woodland, hedgerows and river corridors. Restoring native Irish trees is central to reversing this long-term decline.

Why Native Trees Create Better Wildlife Habitats

Each native tree species supports different forms of life. Oak trees host hundreds of insect species, which in turn feed birds and mammals. Hawthorn provides nectar in spring and berries in autumn. Willow supports aquatic ecosystems by shading streams and stabilising banks. When planted together, native trees form layered woodland habitats that provide year-round food and shelter for wildlife.

Birds as Indicators of Woodland Health

Bird populations often reflect the condition of a woodland ecosystem. In native Irish woodlands, species such as robins, wrens, bullfinches, chiffchaffs and sparrowhawks find the structure and food supply they need. Woodpeckers depend on mature trees and deadwood. Treecreepers rely on textured bark. When these birds return, it signals that biodiversity is rebuilding from the ground up.

The Importance of Deadwood and Woodland Layers

Healthy native woodlands are not tidy. Deadwood, fallen branches and leaf litter play essential ecological roles. Rotting wood supports fungi and beetles. Beetles feed birds. Leaf litter shelters amphibians and small mammals. A fully functioning woodland contains multiple layers: canopy, understorey, shrub, herb and soil. Each layer holds distinct communities of wildlife. Together, they create a self-sustaining ecosystem.

Neil McCabe – Grown Forest Founder

“My Grandad believed trees were a sacred link between the past and future, planted for joy today, yet growing for generations to come”