Research methods
Geolocator
A tiny light-level logger that records day length to estimate a bird's location during migration.
Try a bird, a place or a month: "hornbill", "Costa Rica", "shorebirds".
Try a bird, a place or a month: "hornbill", "Costa Rica", "shorebirds".
Research methods
A tiny light-level logger that records day length to estimate a bird's location during migration.