Species with 4e Similarity of Appearance Rules

This dataset refers to certain species that are protected under the Endangered Species Act (ESA) due to their similarity in appearance to other endangered or threatened species. This designation helps prevent confusion and ensures protections for species that might be mistaken for listed species. --- ### 🔗 Related Datasets - Species with 4d Rules — *U.S. Fish & Wildlife Service* - Listed and Candidate Species with Current Range — *U.S. Fish & Wildlife Service* - FWS Species Data — *U.S. Fish & Wildlife Service* - Species with 10j Experimental Population Rules — *U.S. Fish & Wildlife Service* - Listed Foreign Species — *U.S. Fish & Wildlife Service* ---