Articles
Take a bitesize masterclass in birds. Learn something new today by browsing our growing library of articles on bird behaviour and biology.
![Oil spill. MSR Photo Oil spill. MSR Photo](https://www.bto.org/sites/default/files/styles/featured_-_low_profile_landscape/public/oil_spill_msr_photo.png?itok=VGhTd8-e)
Latest article
Birds and pollution
Increasing human activity brings more pollution into the environment. This can take many forms and can affect birds in a number of ways, as Nina O'Hanlon explains.
![Greenfinch and Chaffinch, Edmund Fellowes Greenfinch and Chaffinch, Edmund Fellowes](https://www.bto.org/sites/default/files/styles/related_content_view/public/bto-2019-b10-edmund-fellowes-15572_original_0.jpg?itok=orsI6Bvq)
Disease in birds
Disease can have serious implications for our wild bird populations, as Wildife Vets from the Zoological Society of London explain.
![Lesser Black-backed Gull. Sam Whitfield Lesser Black-backed Gull. Sam Whitfield](https://www.bto.org/sites/default/files/styles/related_content_view/public/lbb_sam_whitfield.jpg?itok=DKAe_o61)
Gulls allowed?
Stories of rampaging ‘seagulls’ dominate column inches in the holiday season. Our BTO gull experts take a look at the facts behind the headlines.
![Whooper Swan. Sarah Kelman Whooper Swan. Sarah Kelman](https://www.bto.org/sites/default/files/styles/related_content_view/public/009123-whooper-swan-sarah-kelman.jpg?itok=5yZUIIzP)
Bird migration
Steve Portugal explains why and how birds undertake long and perilous migratory journeys.
Share this page