Philippine Eagle Nests Larger Than a King-Size Bed

This bird builds a nest wider than most dining tables.

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Pairs often reuse the same nest for many years, adding fresh branches each breeding season.

The Philippine Eagle constructs enormous stick nests high in emergent rainforest trees. These nests can measure over 1.5 meters across and nearly a meter deep, forming massive platforms anchored more than 30 meters above ground. They are often reused and reinforced year after year, becoming even bulkier over time. The structure must support a chick that can grow nearly as large as its parents within months. Because the species raises only one chick at a time, the nest is engineered for maximum stability and protection. The scale of these nests reflects both the eagle’s size and the need for secure rearing in storm-prone tropical forests. Few other forest raptors invest so heavily in a single nesting site.

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At canopy height, these nests sit exposed to typhoon-force winds common in the Philippines. The structural integrity must withstand torrential rain and violent gusts capable of snapping branches. Losing a nest often means losing an entire breeding season, which is catastrophic for a species that already reproduces slowly. Each pair requires vast forest territory, and suitable nesting trees are increasingly rare due to logging. A single nest may represent years of investment and survival.

The dependency on giant old-growth trees creates a paradox: the eagle needs forests that take centuries to mature, yet deforestation can remove them in days. When logging eliminates emergent trees, it erases potential nesting platforms across entire landscapes. Conservation strategies therefore focus not just on protecting birds but on preserving towering dipterocarp trees that form the rainforest skyline. Without those giants, the Philippine Eagle has nowhere to anchor its future generations.

Source

Philippine Eagle Foundation

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