#For rufous hummingbirds, migration looks different depending on age and sex
“#For rufous hummingbirds, migration looks different depending on age and sex” Plucky, beautiful and declining in numbers at about a 2% annual rate, the rufous hummingbird makes its long annual migration in different timing and route patterns based the birds’ age and sex, new research by Oregon State University shows. Credit: Jim Livaudais Plucky, beautiful…