Overview

• Study analyzed 700 bacterial samples from 30 bird species across eight countries.
• Birds in urban areas carry up to three times more antibiotic-resistant genes than rural birds.
• Antibiotic-resistant bacteria in birds can transfer to humans, livestock, and pets.
• Sources of contamination include wastewater, landfill sites, and untreated sewage.
• Experts call for coordinated global action to address the spread of antimicrobial resistance.