Eastern tiger swallowtail butterflies

Photo By/Credit

Smith, Grayson/USFWS

Date Shot/Created
04/01/2019
Media Usage Rights/License
Public Domain
Image
Butterflies congregate on mud and other such substances primarily for salts. The salts and amino acids absorbed during mud-puddling play various roles in butterfly ecology, ethology and physiology.
Subject tags
Wildlife
Insects