Close Menu
Ztoog
    What's Hot
    Gadgets

    Tesla Promises ‘More Affordable Models’ and a ‘Cybercab’

    Crypto

    Crypto Analyst Says Bitcoin Is Heavily Undervalued Despite ATH, What’s The Fair Value?

    The Future

    Here’s What You Need to Know About Fitbit’s New Wearables: Sense 2, Versa 4, and Inspire 3

    Important Pages:
    • About Us
    • Contact us
    • Privacy Policy
    • Terms & Conditions
    Facebook X (Twitter) Instagram Pinterest
    Facebook X (Twitter) Instagram Pinterest
    Ztoog
    • Home
    • The Future

      JD Vance and President Trump’s Sons Hype Bitcoin at Las Vegas Conference

      AI may already be shrinking entry-level jobs in tech, new research suggests

      Today’s NYT Strands Hints, Answer and Help for May 26 #449

      LiberNovo Omni: The World’s First Dynamic Ergonomic Chair

      Common Security Mistakes Made By Businesses and How to Avoid Them

    • Technology

      Gemini in Google Drive can now help you skip watching that painfully long Zoom meeting

      Apple iPhone exports from China to the US fall 76% as India output surges

      Today’s NYT Wordle Hints, Answer and Help for May 26, #1437

      5 Skills Kids (and Adults) Need in an AI World – O’Reilly

      How To Come Back After A Layoff

    • Gadgets

      8 Best Vegan Meal Delivery Services and Kits (2025), Tested and Reviewed

      Google Home is getting deeper Gemini integration and a new widget

      Google Announces AI Ultra Subscription Plan With Premium Features

      Google shows off Android XR-based glasses, announces Warby Parker team-up

      The market’s down, but this OpenAI for the stock market can help you trade up

    • Mobile

      Wallpaper Wednesday: Android wallpapers 2025-05-28

      Google can make smart glasses accessible with Warby Parker, Gentle Monster deals

      vivo T4 Ultra specs leak

      Forget screens: more details emerge on the mysterious Jony Ive + OpenAI device

      Android 16 QPR1 lets you check what fingerprints you’ve enrolled on your Pixel phone

    • Science

      Do we have free will? Quantum experiments may soon reveal the answer

      Was Planet Nine exiled from the solar system as a baby?

      How farmers can help rescue water-loving birds

      A trip to the farm where loofahs grow on vines

      AI Is Eating Data Center Power Demand—and It’s Only Getting Worse

    • AI

      The AI Hype Index: College students are hooked on ChatGPT

      Learning how to predict rare kinds of failures | Ztoog

      Anthropic’s new hybrid AI model can work on tasks autonomously for hours at a time

      AI learns how vision and sound are connected, without human intervention | Ztoog

      How AI is introducing errors into courtrooms

    • Crypto

      CoinW Teams Up with Superteam Europe to Conclude Solana Hackathon and Accelerate Web3 Innovation in Europe

      Ethereum Net Flows Turn Negative As Bulls Push For $3,500

      Bitcoin’s Power Compared To Nuclear Reactor By Brazilian Business Leader

      Senate advances GENIUS Act after cloture vote passes

      Is Bitcoin Bull Run Back? Daily RSI Shows Only Mild Bullish Momentum

    Ztoog
    Home » These legless, egg-laying amphibians secrete ‘milk’ from their butts
    Science

    These legless, egg-laying amphibians secrete ‘milk’ from their butts

    Facebook Twitter Pinterest WhatsApp
    These legless, egg-laying amphibians secrete ‘milk’ from their butts
    Share
    Facebook Twitter LinkedIn Pinterest WhatsApp

    Alternatives to cow’s milk maintain popping up. There’s oat milk, there’s goat’s milk, and now there’s amphibian milk (although you received’t discover it on grocery retailer cabinets). A crew of Brazilian biologists have documented legless, subterranean amphibian moms producing a milk-like liquid– full of fat and carbohydrates–for their offspring. The analysis printed March 7 within the journal Science is the primary identified occasion of an egg-laying amphibian provisioning its infants with “milk.” The findings unveil new bodily features and attainable complicated communication in an understudied animal weirdo. 

    Non-dairy discovery

    Generally, milk is related to mammals. After all, the phrase ‘mammal’ comes from the Latin mamma for “breast,” a reference to our taxonomic courses’ milk-producing mammary glands. But mammals aren’t the one group of animals to feed their infants with specialised secretions. Pigeons, penguins, and flamingos have “crop milk”–a goopy substance made by fowl dad and mom of each sexes inside the lining of their digestive tracts. Some spiders and cockroaches, too, produce milk for their many-legged younger. Enter caecilians, wormlike family members of frogs, toads, and salamanders that dwell primarily in tropical areas.

    Siphonops annulatus. Female with eggs. Credit: Carlos Jared

    Ringed caecilians (Siphonops annulatus) are one in all about 220 identified caecilian species worldwide, and are the most recent addition to the record of milk-able animals. The odd, nearly-blind organisms dwell secretive lives beneath the soil and leaf litter of South American forests and grasslands. “They are one of the least-well understood vertebrates, because access to these animals is very difficult,” says Carlos Jared, senior research creator and an integrative biologist on the Butantan Institute in São Paulo, Brazil. But the trouble is value it, he provides as a result of caecilians are a “surprise box,” continuously providing up surprising organic treats.

    Through years of cautious research, assortment, and remark within the wild and the lab, Jared and his colleagues have overcome the unknown to make some outstanding discoveries about S. annulatus. Most lately, they’ve discovered that the amphibians provision their younger with a viscous clear liquid “the consistency of honey,” says Jared. Ringed caecilians secrete this nutritious milk from their “vents”–the all-purpose opening on the rear-end of the physique the place waste and eggs are additionally launched. In different phrases: these vertebrate worms feed their offspring with milk from their butts.

    “It’s an exciting discovery of incredibly interesting reproductive modifications,” says Marvalee Wake, an integrative biologist on the University of California, Berkeley. Wake was not concerned within the new research however has studied caecilians extensively and penned a perspective article accompanying the analysis in Science. The discovering “challenges existing understanding of the evolution of parental care,” she writes in that be aware. 

    Dedicated dad and mom

    Some caecilians give dwell delivery, however ringed caecilians lay eggs. Mothers guard their broods intently. Even after the younger hatch and emerge as tiny, slimy wrigglers, mother continues to speculate about two months in parental care, forsaking meals to make sure the infants are well-fed. Previous analysis by Jared and others has documented a number of the ringed caecilians’ unorthodox parenting strategies. While elevating offspring, the amphibian moms’ pores and skin modifications shade, creating a fatty outer-layer. The offspring use particular enamel to scrape it off as a meal.  

    (“It doesn’t cause any harm to the mother,” clarifies Marta Antoniazzi, a co-author on each the brand new research and prior skin-feeding work, and a researcher on the Butantan Institute.) But with the brand new analysis, it’s clear that caecilians have extra than simply pores and skin within the recreation–they’re producing a further, energetically pricey meals supply. Females lose a mean of 30% of their physique weight in offering for their younger, in line with the research. 

    Following up on previous observations that caecilian broods spend plenty of time across the maternal vent, Jared, Antoniazzi, and their co-researchers collected 16 feminine caecilians and their younger from beneath the forest flooring of cacao plantations. Digging up the research topics was “difficult” and required “great patience,” says Jared. In the lab, they housed the animals in tanks designed to imitate their pure atmosphere, and arrange cameras to document S. annulatus’ parental care. They confirmed that hatchlings ingest a secretion from their mom’s vent, and that such feedings happen a number of instances a day–far more steadily than the weekly pores and skin feedings. After every milk session, the younger grow to be much less lively and laze round “with bellies facing up, demonstrating apparent satiety,” in line with the research. 

    Share. Facebook Twitter Pinterest LinkedIn WhatsApp

    Related Posts

    Science

    Do we have free will? Quantum experiments may soon reveal the answer

    Science

    Was Planet Nine exiled from the solar system as a baby?

    Science

    How farmers can help rescue water-loving birds

    Science

    A trip to the farm where loofahs grow on vines

    Science

    AI Is Eating Data Center Power Demand—and It’s Only Getting Worse

    Science

    Liquid physics: Inside the lab making black hole analogues on Earth

    Science

    Risk of a star destroying the solar system is higher than expected

    Science

    Do these Buddhist gods hint at the purpose of China’s super-secret satellites?

    Leave A Reply Cancel Reply

    Follow Us
    • Facebook
    • Twitter
    • Pinterest
    • Instagram
    Top Posts
    The Future

    Meta AI assistant, dozens of AI characters, come to WhatsApp, Instagram

    Meta is formally getting into the AI chatbot wars, beginning with its personal assistant and…

    Crypto

    Here Are The Factors That Could Be Behind The Latest Bitcoin Wipeout

    Bitcoin, the biggest cryptocurrency on the earth, has plummeted considerably previously 24 hours, resulting in…

    Crypto

    Dogecoin, XRP Beat Out Cardano, Solana To Hit New Milestone

    Kaiko, a blockchain analytics platform, performed an investigation that exposed the complexities of liquidity throughout…

    Mobile

    I’m happy this annoyingly popular watch display tech is dying a slow death

    For years, manufacturers like Garmin, Polar, COROS, and Suunto have used memory-in-pixel (MIP) shows to…

    Science

    UK’s JET nuclear fusion reactor sets new world record for energy output

    Inside the JET fusion reactorEUROfusion The UK’s 40-year-old fusion reactor achieved a world record for…

    Our Picks
    Gadgets

    UPDF Review: A Dedicated One-Stop PDF Tool For All Your Needs

    The Future

    The Biggest Toys From 2022 That You’ll Want in 2023

    Gadgets

    Samsung’s newest Bluetooth tracker pops up at FCC with a unique design

    Categories
    • AI (1,492)
    • Crypto (1,752)
    • Gadgets (1,804)
    • Mobile (1,849)
    • Science (1,865)
    • Technology (1,801)
    • The Future (1,647)
    Most Popular
    Mobile

    Here’s when to expect Snapdragon 8 Gen 3

    Science

    International fleet of spacecraft is heading to the moon in 2024

    Gadgets

    Why Is There Lead in Stanley Cups and Other Reusable Water Bottles? (Updated)

    Ztoog
    Facebook X (Twitter) Instagram Pinterest
    • Home
    • About Us
    • Contact us
    • Privacy Policy
    • Terms & Conditions
    © 2025 Ztoog.

    Type above and press Enter to search. Press Esc to cancel.