For this clever breed, what activity can often compensate heavily if vigorous physical walks are skipped?

Answer

Focused mental engagement such as puzzle toys or trick training

For a breed as clever as the Catalan Sheepdog, skipping focused mental engagement like puzzle toys or trick training can lead to undesirable behaviors similar to skipping a vigorous walk.

For this clever breed, what activity can often compensate heavily if vigorous physical walks are skipped?
DogcarepettemperamentCatalan Sheepdog