BY KIERAN LINDSEY, PhD You know how there’s always that last bit of liquid in the glass, just a few drops, that’s resistant to lift-off no matter how many times you re-position the straw or how much suction force you apply? Well, Yellow-bellied Sapsuckers (Sphyrapicus varius) solved this physics problem over 10,000 years ago. Turns out, […]
A prominent German-American publisher in St. Louis at that time, sponsored the Transatlantic voyage of a dozen Eurasian Tree Sparrows (Passer montanus, aka German sparrows) and representatives of 5 other species from his fatherland. Hoping to establish colonies in the Missouri Rhineland, shortly after their arrival the itinerant avians were released into the park.