Estela Romero writes with an air of positivity about this year's overwintering monarchs in Mexico. Since our last news update, Estela has written us twice, including numerous photos and videos to give us a glimpse at the phenomenal colonies at El Rosario and Sierra Chincua sanctuaries within the Monarch Butterfly Biosphere Reserve.

Dec. 29

Moderate warm sunny days, but with frequent drastic drops in temperature, with an icy sensation, announce a very cold January.