a new species stays hidden in the green until it opens its wings. Anna Sushok via Unsplash In the northern mountains of Thailand, one small creature blends into the green and brown forest landscape.

Screengrab from a Facebook video shared by Thailand’s Department of National ... the male great argus approach the female, spread its wings in front of her and shake its feathers.

These birds have large brown rails, measuring about 50 centimeters long, with strong, tapered bills, sturdy legs, and reduced wings. Although ostriches cannot fly, they compensate with their large ...

Look for the conical, seed-cracking bill. If the drab brown birds have a touch of yellow on the wings, they could be pine siskins, an uncommon visitor from Canada. Other brown visitors to the ...