Thank you to the birders of Mississippi for a wonderful weekend April 28-29 around Oxford. Special thanks to the MOS, Delta Wind Birds, The Strawberry Plains Audubon Center, Wild Birds Unlimited of Jackson, and the other sponsors for making it all possible. The birding was excellent, as passing thunderstorms pushed migrants down and kept birds […]
The Mississippi Ornithological Society meeting Read More »
It turns out that trees not only communicate through fungal networks in their roots, they also pass nutrients around from tree to tree, even between species! The fungi (many species) grow in contact with the roots of the tree, enjoying the steady source of carbohydrates that the tree has produced, and in exchange giving the
One of my main goals in creating the Sibley Guide to Trees was to apply modern methods of bird study to tree identification. This meant looking at trees at a distance and trying to figure out what, if any, differences would allow me to distinguish species quickly and reliably in just a glance. I continue
Spruce, Fir, or Hemlock? Read More »
Spring is always an exciting time for birdwatchers, as migrants pass through and summer residents return, all in their flashy breeding plumage. This time of year is equally interesting for tree-watching, and it is the best time of year for identifying trees from a distance by their color.
Identifying trees by color Read More »
In The Sibley Guide to Trees I refer to some species of trees as having leaves (or needles) two-ranked, and several readers have asked me to clarify the meaning of the term. In the introduction of the guide on p. xxix the term is mentioned and illustrated with one example: American Elm has leaves two-ranked,
The meaning of “two-ranked” Read More »
Here’s an opportunity to own a piece of my original art. I have donated an original acrylic painting of the leaf and fruit of Sugar Maple to Mass Audubon’s Ipswich River Wildlife Sactuary in Topsfield, MA. The piece will be part of the silent auction at their Spring Syrup Pancake Fling on the morning of
Original art of Sugar Maple Read More »
I’ve just posted a new page that lists some of my most-frequently-used online references about trees. You can find it here, and it is also linked on the Tree Info page.
New page on Tree references Read More »
Thanks to an email from Ray Telfair I’ve taken a closer look at the illustrations and descriptions of hickory nuts on pages 143 to 149 in the Guide to Trees. I used the terms “angled” and “ribbed” interchangeably, and illustrations such as Pignut Hickory p 145 appear “angled”, which is confusing and incorrect, so I’ll try to
Variation in shape of Hickory nuts Read More »
Watching the changing colors of fall leaves is always interesting, and even more so when you recognize the species of trees and begin to understand some of the finer points of variation in color. In these four photographs of Red Maple, all taken within a few days in Massachusetts and New Hampshire, I’ll describe a
Variation in fall color: Red Maple Read More »
Through this fall I’ve been talking about what I tried to accomplish in my new Guide to Trees. In essence, I tried to approach tree identification in the same way that modern birders approach bird identification, to create “a tree guide for birdwatchers”. Most guides to tree identification use keys at some level, which are
A modern (holistic) approach to Tree Identification Read More »