Autumn gathering-site monitoring map
Loading monitoring context…
Map scale
Monitoring network
01 / 06
Weekly gathering
Play the historical Hungarian weekly pattern from the August build-up through the September peak and rapid departure.
Open source
Synchronized monitoring
Historical / potential sites
Migration context
1 point ≈100 birds · historical median
Larger public roost record
Major rivers
Map context
Aug · week II
Build-up begins
Historical median ≈1,600 birds
Wednesday sequence · published 2004–2014 median pattern