There are two body types or morphs and four genders among White-throated Sparrows (Zonotrichia albicollis).
The Common, Hoary, and Lesser Redpolls (Acanthis) all seem too be the same species. This picture of (what we’ve been calling) Common Redpoll is from last February’s irruption. Here’s more detail on this story.

6 Responses to “Updates”

  1. 1 nature969 December 18, 2021 at 8:47 am

    I would like to donate to support your blog! I look forward to reading it every morning! Please post details so I can support it with my gift of appreciation 🎄🗽🌟

  2. 3 Charles McAlexander December 18, 2021 at 8:55 am

    Another thing I find interesting about White-throated Sparrows is when they pair up to breed it is mostly one of each morph with gender in either direction. That is, either morph breeds with the opposite morph and gender, yet the result is some of both morphs and, I presume, genders. This doesn’t happen with most animals. When light morph humans reproduce with dark morph humans the result is generally a blended beige morph human with diverse characteristics from both parents.

  3. 4 Charles McAlexander December 18, 2021 at 11:58 am

    I just caught the “four genders” statement. I am only familiar with two. Can you enlighten me?

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