Declining monarch-butterfly populations may be hard to restore - Ars Technica
- Declining monarch-butterfly populations may be hard to restore Ars Technica
- Monarch Butterflies Reared in Captivity Lack a Crucial Ability The Atlantic
- Monarch butterflies born in captivity have a tougher time migrating south in the winter CNN
- Monarch Butterflies Born In Captivity Have Trouble Migrating South, Study Says NPR
- Hoping your butterfly release will boost monarch population? Not quite, study says MPR News
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