If you ever have the opportunity (and permits) to dissect an abandoned bird nest, you'll discover that female birds are ingenious architects of solid, well-insulated, camouflaged homes for their eggs. They're able to do it without practice or instruction, using found objects like rootlets, feathers, …
Maine's Naturalist
Nature Moments: Birdsong Baby Babble
Every bird in the world makes some kind of sound. But in order to develop a proper song, explains Nat Wheelwright, some of them need to listen to adults and then practice what they hear, in the same way children learn to speak. https://www.youtube.com/watch?v=JymW5QXppKE Nature Moments are …
Golden-winged Warbler in South Portland
Warbler migration has just about peaked and the diversity we're seeing in southern Maine has been great this year. Our warbler walks at Evergreen Cemetery and Capisic Pond had a slower start but this week we've been seeing around 18 species of warblers each day. One of our "dream birds" to find is a …
Nature Moments: Packing Leaves into Buds
How do plants pack their growing leaves inside such small buds? Nat Wheelwright explains the four main methods: leaves can be folded, rolled up, coiled, or pleated. The way a particular species packs its leaves has less to do leaf size or shape than with the plant's evolutionary …
Nature Moments: Faith in Trees
Trees provide us shelter, fuel, food, protection from climate change, and beauty. But they also have deep spiritual importance. In a treetop conversation with Nat Wheelwright, forest ecologist Nalini Nadkarni points out the connection between trees and …
Nature Moments: Warm-Blooded Skunk Cabbages
In his latest Nature Moment, Nat Wheelwright asks: What plant has a metabolic rate as high as a hummingbird's, generates enough heat to melt its way through the snow, and has the ability to regulate its body temperature just like a warm-blooded animal? Here's a hint: they look like cabbages and …
Nature Moments: House Invaders
If you live in an old house, explains Bowdoin professor and Maine Audubon trustee Nat Wheelwright, you probably are acquainted with these three home invaders: Long-bodied Cellar Spiders, Western Conifer Seed Bugs, and Multicolored Asian Lady Beetles. Although they're not native to the northeast, …
Nature Moments: Wood Frog Thumbs
Charles Darwin's theory of evolution explains not only how creatures became good at securing food sources and surviving in the wilderness, but also how they produce the next generation. A good example of this, explains Bowdoin professor and Maine Audubon trustee Nat Wheelwright, is the male Wood …
Marching for Science in Portland [Photos & Video]
Maine Audubon wildlife biologist Laura Minich Zitske, who leads our Coastal Birds Project, was a featured speaker at Portland's March for Science yesterday. Despite the chilly April temperatures, a dedicated corps turned out to support science and its wider inclusion in public policy …