Mexico
Botanists are scouring the US-Mexico border to document a forgotten ecosystem
Roughly 1,000 volunteers armed with theĀ iNaturalist appĀ on their smartphones are documenting as many species as possible along the US-Mexico border in May.
JACUMĆ, MĆ©xico ā Near the towering border wall flanked by a US Border Patrol vehicle, botanist Sula Vanderplank heard a quail in the scrub yelp āchi-ca-go,ā a sound the birds use to signal they are separated from a mate or group.
Then silence.
A quai... [7255 chars]