Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects User Vailhem, in the Nature subreddit, 05 Aug 2017
The milkweed limitation hypothesis for monarch butterfly decline remains supported and conservation efforts focusing on adding milkweeds to the landscape in the summer breeding region have a sound scientific basis User HenryCorp, in the Sustainable subreddit, 04 Aug 2017