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FALCOPOLIS / BACKGROUND

ROOKS

Corvus frugilegus

The rise, collapse and partial recovery of Hungary’s colonial nest builders—read together with the Red-footed Falcon breeding population.

Rook National breeding pairs
Red-footed Falcon National breeding pairs

Falcons do not build nests. Natural colonies depend heavily on the old nests of Rooks.

Prototype 01 Survey estimates · Hungary

Rook distribution field and indexed population comparison

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Rook and Red-footed Falcon population change in Hungary A schematic field inside the outline of Hungary shows the changing national Rook population, while indexed lines compare Rook and Red-footed Falcon breeding estimates through time.
Timeline 1942
Rook 180,000 breeding pairs
Red-footed Falcon 2,200–2,500 breeding pairs
01 / 07 A colonial foundation Scroll to follow the transformation of Hungary’s colonial nesting network.
Schematic national field Not colony locations
National estimates shown at survey years Scroll to compare both populations