|[Note Guidelines] Photographer's Note|
|Congregation is a special charecteristic feature of some spp of butterflies. Butterflies belongs to old dainudae families oftenly seen congregating on some plants . At the start of migration it can be seen.|
Common crow (Euplea core),Tiger butter flies most commonly seen congregating.
Here it is the congregation of common crows on Crotalaria spp. plant on its beans. To get some special alkaloids for the production of phiromons .They get pyrolicidine from these plant and it will help the the production of pheromons
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