Page Index

posted November 30th, 2009; last edited April 9th, 2010 –– David Sibley

Variation in shape of Hickory nuts

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 [...]

posted November 10th, 2009; last edited January 28th, 2011 –– David Sibley

A modern (holistic) approach to Tree Identification

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 [...]

posted October 14th, 2009; last edited September 24th, 2011 –– David Sibley

Corrections to The Sibley Guide to Trees

Here are page-by-page corrections and changes for The Sibley Guide to Trees. This listing will be updated periodically as issues come to my attention. Please feel free to leave comments or send me an email if you notice anything that is not listed here.

inside front cover – The two-letter abbreviation for Nunavut should [...]

posted September 23rd, 2009; last edited September 23rd, 2009 –– David Sibley

Correction to maples, page 332

Reader Sherman Dunnam sent me a note about an error in the introduction to maples on page 332. The third paragraph begins “All maples have palmately compound leaves…” This should instead say “Nearly all maples have palmately lobed leaves…” And could go on to elaborate that a few species have the leaves so deeply lobed [...]

posted September 23rd, 2009; last edited September 23rd, 2009 –– David Sibley

Updates to the Tree Guide

I have spent the last seven years working intensively on my new Guide to Trees, but of course a few misstatements and errors somehow managed to creep in. I’m always interested in learning more, correcting my mistakes, and passing along to you – the reader – newer, better, more accurate information. So if you notice [...]