Add a quick 'dog or bat' post

src/_drafts/dog-or-bat.md

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+---
+layout: post
+title: What mammal is that?
+summary: In which Apple Photos accidentally tells me about a cool new animal.
+tags:
+  - fun-stuff
+colors:
+  index_light: "#834e32"
+  index_dark:  "#c0b49d"
+---
+
+I was visiting my parents over Christmas, and they have a large dog called Ziva.
+I like to take silly photos of the family pets, and this is one from last week that shows off a super-sized snoot:
+
+<figure style="width: 600px">
+  {%
+    picture
+    filename="ziva.jpg"
+    width="600"
+    class="photo"
+    alt="A blurry photo of a dog with grey fur. The photo is a close-up on her nose, which is filling a large portion of the frame, and the rest of the photo is her face, with mostly closed eyes and ears folded back. She's resting on the arm of a comfy chair, half-asleep."
+  %}
+  <figcaption>
+    No Photoshop here, just my iPhone’s Ultra Wide camera held close to her nose.
+  </figcaption>
+</figure>
+
+For giggles, I decided to use the [animal detection feature][visual_lookup] to tell me what sort of dog Ziva is.
+We're not actually sure of her breed because she's a rescue dog of unknown parentage, so it's always fun to try the animal detection and see what it suggests.
+
+When I tried, I was shown a button I hadn't seen before: *Look up Mammal*.
+
+{%
+  picture
+  filename="look-up-mammal.png"
+  width="375"
+  class="screenshot"
+  alt="The same photo in the iOS Photos app, with an overlay sheet showing a 'Look Up Mammal' button."
+%}
+
+And with the best will in the world, I couldn't have guessed what it would suggest:
+
+{%
+  picture
+  filename="hammer-headed-bat.png"
+  width="375"
+  class="screenshot"
+  alt="A list of results for 'Look up Mammal', showing two suggestions: a Hammer-headed bat, and a Wolf."
+%}
+
+After we'd all had a good laugh at this suggestion, I opened [the Wikipedia page][wiki] and went down a rabbit hole.
+When you see some photos, it starts to make more sense – several of the photos featured really do show a sizable snout.
+Given the distortion in my photo, you can see why the algorithm thought there could be a match (and where the "hammer-headed" name comes from):
+
+<style>
+  #two_up_bats {
+    display: grid;
+    grid-template-columns: auto auto;
+    grid-gap: 10px;
+  }
+</style>
+
+<figure class="photo">
+  <div id="two_up_bats">
+    {%
+      picture
+      filename="hammer-headed-bat-1.jpg"
+      width="750"
+      link_to="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0223139#sec002"
+      alt="A front-facing view of a bat with an elongated nose. The bar is a dark, reddish brown, looking directly at the camera, and its wings are folded along its sides. Its being held in the hand of somebody with a yellow glove."
+    %}
+
+    {%
+      picture
+      filename="hammer-headed-bat-2.jpg"
+      width="750"
+      link_to="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0223139#sec002"
+      alt="The same bat, now in profile. Its elongated nose is more visible, which is large and rounded."
+    %}
+  </div>
+  <figcaption>
+    Photo by Sarah Olson et al, from an <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0223139#sec002">article in PLOS ONE</a>.
+    Used under CC0.
+  </figcaption>
+</figure>
+
+And it turns out it's a pretty cool creature – it's a "megabat" (great name) and its wingspan can be close to a metre wide.
+I think of bats as small and cuddly, but if something flew past that was that size, I'd be pretty nervous.
+Imagine if something that looked like this flew towards you with outstretched wings on a dark night:
+
+<figure style="width: 600px;">
+  {%
+    picture
+    filename="fully-loaded-bat.jpg"
+    width="600"
+    class="photo"
+    link_to="https://www.inaturalist.org/photos/247839218"
+    alt="Another photo of a bat with partially extended wings, being held in somebody's hands. The wings are probably about a foot wide, and not fully extended. Several sharp looking claws are visible on the inner side of the wing."
+  %}
+  <figcaption>
+    Photo by Bart Wursten, published on <a href="https://www.inaturalist.org/photos/247839218">iNaturalist</a>, used under CC BY-NC 4.0.
+  </figcaption>
+</figure>
+
+And for extra scary points, it makes a [pretty loud honking sound], so loud that it's often considered a pest.
+This noise is how males attract females, and it's so important that their internal organs are actually shaped around their ability to honk:
+
+> The most noticeable anatomical features of the male involve sound production. The larynx is one-half the length of the vertebral column and fills most of the thoracic cavity, pushing the heart, lungs and alimentary canal backward and sideways.
+>
+> <cite>— <a href="https://academic.oup.com/mspecies/article/doi/10.2307/3504110/2600338"><em>Hypsignathus monstrosus</em></a>, by Paul Langevin and Robert M. R. Barclay, Mammalian Species Issue 357, 26 April 1990.</cite>
+
+That [same paper](https://academic.oup.com/mspecies/article/doi/10.2307/3504110/2600338) also features a delightful description of the male nose, which sounds like somebody getting revenge for the way male authors describe women in novels:
+
+> Males have a large, square, truncated head (Tate, 1942) with enormous pendulous lips, ruffles around a warty snout and a hairless, split chin (Lang and Chapin, 1917).
+
+I find myself down this sort of rabbit hole surprisingly often, and I've begun to think of it as "serendipitous search results".
+Whatever Ziva is, she's definitely not an African species of large bat, but it appeared in my search results anyway, and that was the start of some fun reading.
+At other times, I'll look for a specific book at my local library, and they don't have it, but I'll end up reading half a dozen books with similar titles because that's what the search could find.
+
+If you want more pictures of cool bats, there are a bunch of them [on iNaturalist][pics].
+If not, I'll see you next time I stumble upon something fun and unexpected while searching.
+
+[visual_lookup]: https://support.apple.com/en-gb/104962
+[wiki]: https://en.wikipedia.org/wiki/Hammer-headed_bat
+[pretty loud honking sound]: https://www.youtube.com/watch?v=BLm6YVFvNG8
+[pics]: https://www.inaturalist.org/observations/144407784

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