Avian hippoboscid flies — also called flat flies and louse flies — survive on bird blood. Estimates vary for the number of different species in our region, but there are likely more than 10 ...

We have long suspected that these formations might help birds fly with less effort, but the precise mechanics of this phenomenon have remained unknown—until now. Expending less effort in long ...

So, some researchers say, it’s time to recruit allies in the fight against lantern flies. It’s time to send in the birds. The spotted lantern fly is not alone. Around the world, invasive ...

which generates lift and allows the bird to fly. But butterfly wings are flat. How do butterflies fly? Robert Kacmarcik, Green Valley, Arizona Flat-winged insects also generate lift by using ...