R.I.P Field Guides?

Sick of lugging Sibley around with you? Here’s a literary writer who’s also an avid birder, explaining why

instead of using a guidebook I used my i-phone, having just downloaded the amazing “i-Bird Explorer Plus” application. Eight hundred and ninety-one birds in my pocket, along with their calls, their range, and a “birdipedia” link to information that could never fit into a conventional guidebook, and certainly not one smaller than my wallet.