Ask Kenn!

Ask Kenn: What’s Up With Bird Color Morphs and Phases?

— In some species, many adults wear different color patterns from others. Kenn Kaufman explains the phenomenon, and the lingo to describe it.

Ask Kenn: Do Migrating Birds Take the Same Routes in Spring and Fall?

— In this month's column, bird expert Kenn Kaufman explains the phenomenon of "loop migration."

Ask Kenn: Why Have Roseate Spoonbills Invaded the North This Summer?

— Also this month: Is fall really the hardest season for identifying birds? Kenn Kaufman doesn't think so.

Ask Kenn: Egret, Ibis, Flamingo, Heron, Stork—What's the Difference?

— Wading birds may appear similar, but looks can often be deceiving, explains Kenn Kaufman in this month's Ask Kenn!

Ask Kenn Kaufman: Why Do Some Birds Have Such Extreme Mating Rituals?

— While certain avian pairs dance to reaffirm their bonds, it's the bird world's bachelors that perform almost unbelievably ornate displays.

Ask Kenn: What Exactly Is a Warbler?

— Species bearing the name warbler are found around the world, but how they're classified can be complicated, explains bird expert Kenn Kaufman.
Illustration: Joe Ciardiello

Ask Kenn Kaufman: Are Yellow Northern Cardinals Becoming More Common?

— Also answered in this month's column: Why are some birds such better mimics than others?

Ask Kenn Kaufman: What's the Best Way to Become a Better Birder?

— In this month's column, Kenn shares his "four Ls" philosophy for birding. Plus, do birds that live in flocks have a higher chance of survival?

Ask Kenn: How Many of the World's Bird Species Have Gone Extinct?

— In this month's column, bird expert Kenn Kaufman tackles a common—and tricky to answer—question.

Ask Kenn: How Did the Evening Grosbeak Get Its Misleading Name?

— In this month's Ask Kenn!, bird expert Kenn Kaufman shares the surprising origins of the finch's moniker. Plus, why your feeder birds fight so much.