You can never make out seasonal changes in these things.

The slow seasonal change had an important effect on life's own rhythms.

Even storing food for seasonal changes was the result of past experience.

They found a pattern of a seasonal change in mood.

One can also follow certain garments through the seasonal changes.

They are more active at night, with no evidence of seasonal changes in activity or migration.

"You are seeing the seasonal changes in star position."

Signs of seasonal changes gave my otherwise miserable life direction.

They migrate in response to seasonal changes and the availability of food.

On the whole, the interior of the country experiences the greatest seasonal change in temperature.