Today's News
A/CPB
Monarch Butterfly Migration Update: May 20, 1997
Jim Gilbert
- Link to Today's Migration Data
We have only 9 monarch butterflies to report today! Why so few? The chart below shows the number of sightings reported each week since the migration began in March. Why do you suppose the number dropped so much this week? How many reasons can you think of that might explain this?
| Dates |
# Monarchs Reported |
| May 14-May 20 | 9 |
| May 7-May 13 | 37 |
| April 30-May 6 | 25 |
| April 23-April 29 | 23 |
| April 16-April 22 | 32 |
| April 9-April 15 | 20 |
| April 2-April 8 | 22 |
| March 26-April 1 | 25 |
| March 18-March 25 | 24 |
| March 12-March 17 | 7 |
| Before March 12 | 7 |
We Need Your Help!
Although the school year is almost over, we will continue to collect monarch sightings until the butterflies have reached the end of their trail. Please watch for monarchs and report the FIRST one you see this spring:
How to REPORT a Monarch Sighting:
On the left-hand side of this page you'll see an owl button. Simply press the button and a FIELD DATA FORM will appear. If you have any trouble using this system, send a message to our feedback form We'd be happy to help you!
The Next Monarch Butterfly Migration Update Will be Posted on May 27, 1997