It is generational. The butterflies that start the migration at the end of summer/beginning of fall are several generations removed from the ones the come back in the spring.
All of the time!
Yes, cabbage butterflies, specifically the imported cabbageworm (Pieris rapae), exhibit migratory behavior. They often migrate to find suitable habitats and food sources, especially during seasonal changes. Their migration patterns can lead them to agricultural areas, where they may become pests for cruciferous crops. However, their migration is not as extensive as that of some other butterfly species.
migration and hibernation
Seasonal changes and food resources .
migration
The general term is migration, which may be relocation from one area to another, or a seasonal cycle between two areas.
as per the sheep flocking !
as per the sheep flocking !
There are hundreds of thousands of such animals. Ay animal migration is likely to be due to seasonal factors.
I can give you several sentences.The seasonal rains are a welcome relief.Our city has many seasonal visitors.It's time for the seasonal migration.
No they do not. They might over a small area searching for food, but not a seasonal migration.
Seasonal migration is the movement of any group of living organism, including higher species order from habitat to a different location for habitat, breeding,food,employment during any change in season . Permanent migration is relocation of any habitat permanently by any living organism,including higher species order.