Fit principle
Lessons from Rufous-tailed Jacamar
Fit the dart.
Needle-Bill Insect Dart
Core lesson
When form fits purpose, the whole movement sharpens.
Biological basis
Rufous-tailed Jacamars perch and sally out to catch flying insects with long pointed bills, combining stillness, quick darts, and precise aerial feeding.
Best use cases
Where this lesson tends to be most useful in practice.
PurposeSkill fitPrecisionNatural designClean movement