Match the bird silhouette to its real-world scale.

ROUND 01 / 05

YOUR SCORE 0/ 500

01 — THE BACKYARD

100%

DRAG TO COMPARE · PULL THE CORNER TO RESIZE

FIXED REFERENCE

YOUR GUESS

Gray: reference · Black: your bird

Drag your bird over the reference to compare.

Drag your bird to move it; pull its corner to resize.
Keyboard: arrow keys move · + / − resize

FIELD NOTE A familiar shape can be surprisingly hard to size.