Press Release: As World Bee Day, May 20th, approaches, new research shows Irish Bumblebee populations are still in decline - National Biodiversity Data Centre
Bumblebee populations in 'drastic' decline, study finds
Bumblebees Bite Plants to Force Them to Flower (Seriously) - Scientific American
Press Release: Naturalists buzzing as new bumblebee arrives in Ireland - National Biodiversity Data Centre
Bumblebee behviour 3 | www.bumblebee.org
Bombus hortorum, the Garden bumblebee
Bumblebee Facts | Bumblebee Nest | DK Find Out
Red-tailed bumblebee | The Wildlife Trusts
Nature: Bumblebees' 'clever trick' fools plants into flowering - BBC News