Seem that they are even though in the last few years I have been seeing more and more of them in our area. Science has been monitoring the Monarch migration to Mexico and has found the number of butterflies migrating to Mexico has been dropping sharply. This past year there was a record low. The Monarchs in this post are shown on Common Milkweed, Asclepius syriaca. Too large a plant for my garden, I have butterfly weed or Asclepias tuberose. It is a great nectar plant. Asclepius incarnata, is the one known as swamp milkweed and does make a good garden plant in moist gardens.
There is no question that there are less Monarchs recorded, and the reasons why have been publicized over and over. The real question here is what can be done about it and do we even care?
I read a disturbing article from The New Yorker where a study asked people if they believe in Global Climate Change. To their surprise, more and more people recorded that they do. When asked why the change they noted with extreme dismay their drying, browning turf grass. They actually gauge climate change by the appearance of their lawns. You have to read this article. I just shook my head at the ignorance of some people caring that they may have to have lawns of gravel and cactus. Using this as a barometer, would these same individuals care if they ever saw a Monarch again?