Search Results

By Line search: By DAVID SPECTOR

By DAVID SPECTOR

Naturalists are often asked “W” questions: What is this organism? Where is it found? When am I likely to see it? And, most interesting and most difficult to answer, why? Why-questions provoke answers that address natural processes, often multiple, complicated, and incompletely understood processes. Full answers to why-questions include acknowledgment of uncertainty.

By DAVID SPECTOR

Birdwatchers make lists. We list bird species seen by day, week, year, or lifetime. We list birds seen in a yard, town, state, or continent. We compete and get a special thrill from finding a stray from far away.It is a truism of birdwatching that...

By DAVID SPECTOR

In summer, many New England roads are lined with clouds of magenta flowers atop the tall stems of several species of Joe Pye weed, especially where the roads are bordered by damp ditches. Who was Joe Pye? A perusal of popular botanical sources reveals...

By DAVID SPECTOR

Most vertebrates — the large group of animals that includes humans — have many features in common, but some oddball groups have lost some of those characteristics. For example, snakes have lost their limbs, but they retain most of the other features...

By DAVID SPECTOR

If you sit on a city park bench you’re likely to see birds, especially house sparrows. This species, native to Europe and Asia, was first introduced into North America in 1851 and is now common where farms or cities provide both grain on the ground...