European Starling Sturnus Vulgaris

advertisement
European Starling
Sturnus vulgaris
By: Sidra Fatima and Sara
Tariq
Distribution
• First introduced to North America + found in US and
Europe
• When: 1890
• Why: To introduce all birds mentioned in the works
of Shakespeare.
Effects on People
• Destroys human ecosystems (homes)
• People eat these birds as food
• Carry disease
Effects on Ecosystem
• Destroys crops
• Competes with native species
• Destroys ecosystems
Food Web
• Sun
Grass
Human
Bugs
(centipedes,
slugs, etc.)
Snake
European Starling
Reasons for Success
• Eats dangerous bugs
• Eats seeds and bugs to keep areas sanitary.
Issues for Future
• Conflict- Competes with native species &
destroys crops
• Trade-offs:
1. Chance of becoming extinct
2. Many dangerous insects
Download