- Slightly decurved bill. The Long-billed has a relatively straight bill.
- V-shaped white feather tips of the covert feathers. The Long-billed has squared-off feather tips.
- "Tiger-striped" tertials, but with wiggly lines and partial bars. This indicates the Short-billed Dowitcher is a juvenile. The juvenile Long-billed Dowitcher has no tertial bars or stripes, while the adults of both species usually have tertial bars in a regular pattern.
Sunday, September 11, 2016
JUVENILE SHORT-BILLED DOWTCHER, COLONEL SAMUEL SMITH PARK, TORONTO, ON
We can ID this dowitcher as a juvenile Short-billed Dowitcher rather than a Long-billed Dowitcher as follows: