Atlas of Habitats

group

0.0002 m³

at 2.4 m

48.2ºN

[capacious] cavity

wood

mixed

rough

birds

[capacious] cavity

zoom
out

zoom
in

close
habitat

Introduction

Austria
Prater Park
48,2152° N, 16,3948° E
18/06/2024, 2:30pm

This cavity, found within the heart of a mature tree, serves as a vital habitat for birds. These types of hollows, often formed naturally through decay, injury, or the activity of woodpeckers, provide a unique ecological niche. In addition to serving as nesting sites, these habitats also play a role in the foraging behavior of various bird species. Many birds search for food around these cavities, finding insects and larvae that thrive in the decaying wood.

Micro Climate

The structure of these cavities offers numerous benefits. The thick bark of a tree protects the hollow from extreme weather conditions, creating a stable microclimate that helps regulate temperature and humidity. This insulation is crucial for the survival of eggs and young birds, shielding them from harsh elements. Furthermore, the enclosed space provides safety from predators, allowing adult birds to raise their young with a lower risk of predation.

Material

The material of a bird cavity is primarily composed of the wood of a tree, which provides a strong yet flexible structure for nesting. The interior of the cavity often features soft, fibrous wood and decomposing organic matter, offering insulation and comfort for eggs and chicks. The surrounding bark provides protection from predators and harsh weather.

Location

The Prater in Vienna is a rich natural habitat that supports a diverse range of wildlife. Its dense woodlands, meandering trails, and waterways create ideal conditions for various species. The Prater spans about 1,200 hectares and is home to over 2,500 trees. The forest's abundant vegetation offers food and shelter, while the varied microhabitats foster ecological diversity. Situated near the Danube River, the Prater forest plays a crucial role in maintaining the region's sustainability and environmental balance.

Construction

Cavities serve as essential nesting sites for various birds, particularly species that are unable to construct their own nests. Woodpeckers are well-known cavity creators. They excavate holes in trees, not only for nesting but also for foraging. Once abandoned, these cavities become valuable resources for other bird species. The availability of such nesting sites directly influences bird populations, especially in forests where mature trees are becoming scarce.