this post was submitted on 20 Apr 2025
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Mildly Interesting

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[–] Yokozuna@lemmy.world 4 points 15 hours ago (1 children)

Now we need a Kiwi egg and a diagram of each animal next to each other. Absolute legends of a flightless bird.

[–] CurlyWurlies4All@slrpnk.net 4 points 8 hours ago (1 children)
[–] Lemmynated@lemmy.zip 3 points 7 hours ago

Rip whoever birthed the sea urchin.

[–] Prime_Minister_Keyes@lemm.ee 20 points 22 hours ago* (last edited 22 hours ago) (1 children)

They are also single frigging cells. Yet, they have nothing on the largest unicellular organisms, size-wise.

[–] smee@poeng.link 7 points 10 hours ago (1 children)

wiki

Good grief, just tell us the size. I skimmed the article and is none the wiser.

[–] Jakeroxs@sh.itjust.works 3 points 7 hours ago

The biggest single-celled organism in the world is structured in the same way: an aquatic alga called Caulerpa taxifolia, which can grow to 30cm long. https://www.australiangeographic.com.au/blogs/creatura-blog/2019/04/this-bizarre-bubble-creature-is-a-single-living-cell/

[–] amzd@lemmy.world 2 points 15 hours ago (1 children)
[–] milicent_bystandr@lemm.ee 6 points 14 hours ago

The forest was burning, so he rescued them. Now he will put them back, lovingly, on the stove for breakfast for him and his five children.

Those poor eggs.

Out of the fire,

and into the frying pan.

[–] lunachocken@lemm.ee 9 points 22 hours ago (1 children)

That green look so green you could probably use the egg as a green screen

Therefore an eggscreen

[–] j4k3@lemmy.world 36 points 1 day ago (2 children)
[–] smee@poeng.link 3 points 10 hours ago

That's some strange looking pears, that's for sure.

[–] wabafee@lemmy.world 6 points 1 day ago

First thought

[–] stupidcasey@lemmy.world 39 points 1 day ago (6 children)

Fun fact, ostrich eggs are nearing The largest land eggs can physically get, so even the dinosaurs didn't have much bigger eggs.

[–] captain_aggravated@sh.itjust.works 12 points 1 day ago (2 children)

What's the limiting factor?

[–] CheeseNoodle@lemmy.world 26 points 1 day ago (1 children)

If I had to guess it'd be the ability for oxygen to diffuse through the shell and reach the embryo?

[–] dependencyinjection@discuss.tchncs.de 40 points 1 day ago (5 children)

I got curious and your assumption is correct for one of the limiting factors.

Here is what I found:

  • The shell must be strong enough to support the egg’s weight and protect the embryo, but thin enough for the chick to break through when hatching.
  • As size increases, the weight grows cubically (volume), but shell strength only increases quadratically (surface area), so there’s a point where the shell would have to be too thick to hatch from.
  • The distance from the shell to the center increases.
  • Oxygen diffusion becomes inefficient, and the embryo could suffocate.
  • Larger eggs are harder to keep at a uniform temperature.
  • Birds incubating the eggs would need to generate and distribute more heat, which is physically demanding.
[–] milicent_bystandr@lemm.ee 4 points 14 hours ago

What's your sources? Begging your pardon, that looks like a perfectly standard GPT answer.

[–] maxwellfire@lemmy.world 1 points 13 hours ago

I think point two may be wrong. The strength of a shell should be proportional to its thickness, which would scale linearly with its size (assuming the shell got thicker in proportion to the size). There's definitely a point where a self supporting egg requires very thick shells like you said, but the scaling law you gave uses the wrong change.

[–] victorz@lemmy.world 4 points 22 hours ago (2 children)

Didn't think I would find egg facts so interesting... Cool!

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[–] coaxil@lemm.ee 2 points 19 hours ago

Appreciate the share, that's awesome info

[–] AnUnusualRelic@lemmy.world 2 points 21 hours ago (1 children)

I never even considered that but it makes total sense. Thanks for the great post.

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[–] dependencyinjection@discuss.tchncs.de 11 points 1 day ago (5 children)

Here is what I found:

  • The shell must be strong enough to support the egg’s weight and protect the embryo, but thin enough for the chick to break through when hatching.
  • As size increases, the weight grows cubically (volume), but shell strength only increases quadratically (surface area), so there’s a point where the shell would have to be too thick to hatch from.
  • The distance from the shell to the center increases.
  • Oxygen diffusion becomes inefficient, and the embryo could suffocate.
  • Larger eggs are harder to keep at a uniform temperature.
  • Birds incubating the eggs would need to generate and distribute more heat, which is physically demanding.
[–] tamal3@lemmy.world 3 points 23 hours ago (1 children)

Any info on why both are GREEN? That's unexpected. Camouflage, maybe?

[–] dependencyinjection@discuss.tchncs.de 6 points 21 hours ago* (last edited 21 hours ago) (1 children)

I am not an eggspert but after a quick search it seems many bird eggs are green in colour due to a pigment called biliverdin.

Interestingly verde is green in Spanish.

[–] bdonvr@thelemmy.club 2 points 20 hours ago* (last edited 20 hours ago)

A lot of biological and other scientific terms are actually Latin or some mix of it. Bili means "Bile". Sources say "verd" in this case comes from French verd an old way to say green (Modern: vert/verte), but in any case the French words still derive from Latin viridis.

Spanish, French, Italian, Portuguese, Romanian, Catalan, and a few other minor languages are all descendants of Latin collectively called the Romance Languages. Speakers of one can often understand a lot of any other of the languages or Latin. Not completely mind you, but enough to get some meaning. Spanish speakers can understand a lot of written Portuguese (but not so much spoken due to pronunciation differences), Italian and Spanish speakers can almost have a conversation spoken or written. Portuguese/Italian/Spanish speakers will have a harder time with French though, they will recognize many written words but not enough to really call it totally understandable, and almost nothing spoken. Etc, etc.

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[–] Deceptichum@quokk.au 42 points 1 day ago* (last edited 1 day ago) (6 children)

My 30 year old ostrich egg.

[–] SmackemWittadic@lemmy.world 37 points 1 day ago

I'm no Ostrich expert, but I think that egg is defective if it has yet to hatch in 30 years.

You should get a refund

[–] ZeffSyde@lemmy.world 21 points 1 day ago

That's one hell of a gestation period.

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[–] HappySkullsplitter@lemmy.world 55 points 1 day ago (1 children)

Collecting the cassowary eggs more often results in death

[–] CuddlyCassowary@lemmy.world 41 points 1 day ago (2 children)
[–] SpaceNoodle@lemmy.world 24 points 1 day ago (1 children)

Or what, you'll cuddle me?

[–] CuddlyCassowary@lemmy.world 34 points 1 day ago (2 children)

Yes, with my snuggle-talons. It’s a once in a lifetime experience.

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[–] Rooskie91@discuss.online 16 points 1 day ago

Lego my egg-o

[–] helvetpuli@sopuli.xyz 4 points 21 hours ago
[–] reactionality@lemmy.sdf.org 4 points 22 hours ago
[–] Illegalmexicant@lemmy.world 26 points 1 day ago (1 children)

I too don't know my left from right but the dark green is an emu egg

[–] ickplant@lemmy.world 18 points 1 day ago

Turns out you are right! I was just copying the caption, but I’ll fix it.

[–] UrPartnerInCrime@sh.itjust.works 23 points 1 day ago (1 children)

Wait till you see the Kiwi egg

[–] betterdeadthanreddit@lemmy.world 49 points 1 day ago (1 children)

These ones must be hard-boiled.

[–] jaemo@sh.itjust.works 38 points 1 day ago (3 children)

Used to be my favorite t-shirt...

[–] twice_hatch@midwest.social 8 points 1 day ago

The bright one has a natural QR code

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