Graphic above is at JourneyNorth.org large interactive site (Historic Records here: # hectares — # acres — # butterflies).
This Animated Map of Monarch Butterfly Peak Migration shows Monarchs moving south Aug. 29 through present. Archived 2005—2015 Animated Fall Migration maps here; contrast 2016 with them.
As in 2012, Strong south winds shown in this animation are stalling the Monarchs near Llano River.
October 22, 2012 details here:
Winds from the South Stall Migrating Monarch Butterflies on the Llano River in the Texas Hill Country
Warm Fall, Late Sightings :
Temperatures across the north have been unusually warm this fall. This has extended the growing season for monarchs. Some were laying eggs through September as far north as New York. — learner.org/...
Report Your Sightings.
Any questions? Our pal Monarch.