Field biologist, writer, aspiring botanist, fledgling geezer, boy explorer. (Owned by an English shepherd named Odin.)

Montpelier, Vermont USA
For birdwatchers and botanists, for biologists and naturalists of any kind, my online photography seminar launches March 1: chasingnature.substack.com/p… #birding #naturephotography #nature #inaturalist #botany #wildlifephotography
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A sedge, a ruse and a butterfly. Read all about them: chasingnature.substack.com/p… #botany #lepidoptera #butterfly #macrophotography #nature
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As a new writer on Substack, I'm finding meaning and substance among a community of readers and writers. My newsletter, Chasing Nature, features wildlife, wild places and the human condition: chasingnature.substack.com/ #birding #birdwatching #nature #ecology #environment #substack
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A ritual observance on the Winter Solstice: Moths copulating in the cold on the shortest day of the year. The female, in her evolution, has made an unusual sacrifice. Here's my essay: chasingnature.substack.com/p… #lepidoptera #moths
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I'm leaning toward Mastodon, where I'm finding sanity, intelligence and even relative social-media serenity. ecoevo.social/@BryanPfeiffer #MastodonSocial P.S. Here's a moth montage (for no particular reason):
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The Queen (Danaus gilippus) — at the Arizona-Sonora Desert Museum on 21 December 2015. #butterfly #lepidoptera #insect #macrophotography
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Warming up for National Moth Week (23-31Jul), here's Arctia parthenos (St. Lawrence Tiger Moth), which was still on the wing this week in Quebec. @Moth_Week #mothweek #nationalmothweek #lepidoptera #moths #macrophotography nationalmothweek.org inaturalist.org/projects/nat…
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A good night at the light here in Vermont anytime you see Pink-sided Fern Moth (Callopistria mollissima) AND Wavy Chestnut Y Moth (Autographa mappa). #lepidoptera #moths #moth #macrophotography #NaturePhotography #nature
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Bog Fritillary (Boloria eunomia), now near the end of its all-too-short flight period here in northern New England. #lepidoptera #butterfly #butterflies #macrophotography #nature
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Baltimore Checkerspot (Euphydryas phaeton). I've got 'em feeding on Black Ash (Fraxinus nigra) in Montpelier, Vermont. #lepidoptera #butterflies #macro #macrophotography #NaturePhotography #caterpillar
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A Dryocampa rubicunda (Rosy Maple Moth) "napping" last night (on a brick) at my moth light. #lepidoptera #moths #nature #insects #mothsmatter #Vermont #NaturePhotography
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Bryan Pfeiffer retweeted
This dazzling 2 mm wasp emerged from a gall of Ctenodactylomyia watsoni (Cecidomyiidae) on a leaf of seagrape (Coccoloba uvifera) collected in Florida. Anyone recognize it?
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Bryan Pfeiffer retweeted
New butterfly evolutionary study is out as preprint! 2244 spp sequenced for 391 genes. Butterflies likely originated in what is now Americas, ~100 million years ago. Research led @FloridaMuseum #McGuireCenter. Global study w/87 scientists from 28 countries tinyurl.com/7ra5uaba
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The hot pink filaments of Amelanchier (serviceberry, juneberry, shad or shadbush) now flowering here in Vermont and in lots of other places. #botany #macro #macrophotography #phenology
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My homemade lamp (from a Witness Tree brand maple syrup bottle here in #Vermont) next to my prized set of Walker’s volumes on the #Odonata of North America — two things that make me very happy in my office. #dragonflies @OdonataAmericas
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Upcoming Eagle Hill Summer Seminar! Introduction to #Tardigrade Study and Identification Instructors: Emma Perry and William Miller Dates: June 12–18, 2022 bit.ly/392KWyQ #naturalhistory #tardigrades #moss #mosses #ecology
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#Plants and #insects — they go together. Hear it straight from a botanist (@indfnsofplnts) and an entomologist (@cbnatphoto) — each a conservationist. indefenseofplants.com/podcas…
Ovenbirds now among the warbler vanguard arriving in northern New England (and lots of other places). #birding #birdwatching #spring #migration #birdphotography #Vermont #newengland
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