Best-bets for April 12: busy birds, sober human
1) “Nature: The Hummingbird Effect,” 8 p.m., PBS. Costa Rica is barely the size of West Virginia, but it has more than 50 hummingbird species, some with specialized beaks Their perpetual mission is to pollinate the verdant forests. This hour is filled with gorgeous footage, both of the hummingbirds (one is shown here, not from the show) and of the vibrant animal kingdom they help sustain. Read more…