Monarch Butterflies Return to MexicoKim Foley MacKinnonUpdated September 22, 2016 at 5:13 PMMonarch butterflies, with their striking black-and-orange coloring, have made a partial recovery in numbers of butterflies migrating from the U.S. and Canada to Mexico this year, after historic lows last year.
Monarch Butterflies Return to MexicoKim Foley MacKinnonUpdated September 22, 2016 at 5:13 PMMonarch butterflies, with their striking black-and-orange coloring, have made a partial recovery in numbers of butterflies migrating from the U.S. and Canada to Mexico this year, after historic lows last year.