Do Sightings Around the Great Lakes Reveal?
map shows where people have reported monarchs resting in roosts during
this fall's migration.
- What information
does this map reveal?
- What questions
does this map raise about monarch migration in relation to the Great
- What hypotheses
might explain the location of roosts around the Great Lakes?
to Think About
Monarch sightings are made by people. Why is this fact important to keep
in mind when you interpret migration maps?