- Serve as environmental indicators - like the "canary in the coal mine"
- Eat harmful insects and pests, keeping numbers down
- Have an important place in the food chain, providing a food source for other animals
- Serve as key to numerous biomedicines for human afflictions
- Produce interesting sounds in their habitats
- Are subjects for children’s stories, fairy tales, songs, etc.
- Are subjects for souvenir collections
- Serve as reminders to keep our environments clean
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