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This photograph series by Mark Cowan documents a phenomenon called 'lachryphagy' ("tear-feeding"). The caiman excretes salt in their tears & the butterflies need the precious minerals for their metabolism & reproduction.

So, they're feeding on crocodilian tears.

(📷: Mark Cowan, Curtin Uni.)

https://bsky.app/profile/c0nc0rdance.bsky.social/post/3lunfcndhfs2e

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[-] nemmybun@hexbear.net 7 points 1 week ago
[-] purpleworm@hexbear.net 6 points 1 week ago

Wow, thanks! This is quite a specimen

this post was submitted on 23 Jul 2025
83 points (100.0% liked)

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