Why hummingbirds’ feathers shimmer
A study published in January in the journal explains why hummingbird feathers are so iridescent; that is, why they shimmer in the light and shift as you look at the birds from different angles.
Birds, The Amazon, And human GREED
Throughout 2016, Dutch birder Arjan Dwarshuis spotted 6,852 bird species around the world, breaking a record that Noah Strycker had set the year before for the highest Big Year tally ever. Dwarshuis published a book in 2019 about his Big Year in his
