How
does the monarch's spring migration compare from one year to the next?
These maps show when and where people saw their first monarch each spring.
Look at the maps and answer the questions below. (Click
maps to enlarge.)
Additional
Monarch & Milkweed Maps
The maps on this page only show where people reported their
first monarch of spring. For related spring monarch maps
from past years ("1st Milkweed," "First Egg,"
"First Larva" and "Other Observations"),
see Maps and Data from
Past Seasons
Try
This:
Describe
the ways that the migrations similar from one year to the next.
How are
they different? Describe.
List all
the factors you think might cause the migrations to
be different from one year to the next.
List all
the factors that might cause the data to be different
from year to year. Review the lesson, "You're
the Scientist: Verifying Data Collected by Peers." Have a classroom
discussion, and make a list of questions generated in your class.
What do
the maps tell you about monarch migration?