green and golden bell frog

Featured Image. Credit CC BY-SA 3.0, via Wikimedia Commons

Australian Male Frogs Are Prey To Female Frogs During Breeding Season?

Australia, Frogs

Esther Evangeline, MSc Zoology

Breeding season can be a dangerous game, especially for male frogs. They sing their hearts out to attract a mate, but sometimes the reward isn’t a romance—it’s a death sentence! Female Green and Golden Bell frogs in Australia have been observed eating their male counterparts when the poor guys don’t hit the right notes. Yes, these ladies see dinner on the menu instead of a romantic serenade. Let’s dive into this bizarre behavior that has stunned scientists—and may have made some male frogs quieter.

Unusual Frog Behavior Discovered

Endangered Australian Green and Golden Bell Frog
Endangered Australian Green and Golden Bell Frog. Image by kengriffiths.live.com via Depositphotos.

Researchers on Kooragang Island in New South Wales witnessed a disturbing sight. During their field survey, they followed an odd squeal, expecting to find a frog under attack by a predator. What they found instead? A larger female green and golden bell frog dragging a squealing male into a hole, thigh already halfway down her throat. It was an unexpected twist—love might have been in the air, but so was danger.

Male Frogs Play Tug-of-War With Their Lives

Green and Golden Bell Frog
Green and Golden Bell Frog. Image by kengriffiths.live.com via Depositphotos.

When scientists arrived at the scene, the unfortunate male frog was trying everything to escape. He clutched sticks and other debris to avoid becoming the female’s snack. Though the little guy eventually broke free, the encounter left researchers wondering: Could this be more than just an isolated incident? It turns out that female frogs preying on males isn’t exactly rare, but this specific type of species was new to science.

Why Some Frogs Become Dinner, Not Dates

Green and Golden Bell Frog
Green and Golden Bell Frog. Image by kengriffiths.live.com via Depositphotos.

In many amphibian species, females are significantly larger than males, a condition called sexual dimorphism. This size difference gives the female frogs a literal upper hand (or, rather, leg) during breeding season. According to scientists, if a male frog’s mating call doesn’t meet a female’s standards, he risks going from potential mate to potential meal. It’s survival of the fittest—or in this case, the tastiest.

High-Risk Serenades: Calling Comes at a Cost

Tadpole of the Green and Golden Bell Frog changing into a frog
Tadpole of the Green and Golden Bell Frog changing into a frog. Image by kengriffiths.live.com via Depositphotos.

Male frogs call endlessly to attract mates, but with this new discovery, those sweet songs now come with a side of risk. The loud, constant calls not only lure females for breeding but might also catch the attention of a female in the mood for a snack. “They’re putting it all on the line,” said study lead author John Gould. “You could find love or become lunch.”

Not Just Mating—Females Might Snack After Breeding Too

Green and Golden Bell frog eating it's skin
Green and Golden Bell frog eating it’s skin. Image by kengriffiths.live.com via Depositphotos.

The nightmare doesn’t end even if a male successfully mates. Researchers think females could still turn their partners into meals after laying their eggs. This behavior mirrors the infamous praying mantis, where females decapitate and eat their mates during or after reproduction. It’s a risky world out there for male frogs—whether they sing well or not.

Is This Part of Nature’s Selection Process?

Green and Golden Bell Frog, (Litoria aurea), showing a mostly green coloration, from Homebush Bay, Sydney. Tnarg 12345, CC BY-SA 3.0, via Wikimedia Commons

Scientists believe that this behavior could act as a natural selection filter. Females might prey on smaller or weaker males while choosing larger, deep-calling males to breed. However, size isn’t a guaranteed defense—females might still eat their partners when the breeding season wraps up. In this wild game of frog dating, only the fittest (or sneakiest) survive.

Observing This Behavior Is Rare, But It Could Be Common

Green and Golden Bell Frog (Litoria aurea). Matt from Melbourne, Australia, CC BY 2.0, via Wikimedia Commons

Field observations of this same species predatory cannibalistic behavior are difficult because the events happen quickly and under cover of night. However, this doesn’t mean that such incidents are rare. Gould and his team suspect this behavior might be more widespread than initially thought. The male frogs’ desperate squeals might be a signal that this happens more often than we realize.

The Frog World Still Holds Many Secrets

Green and Golden Bell Frog Closeup. Broughton Island, NSW, Australia. Will Brown, CC BY 2.0, via Wikimedia Commons

More research is needed to understand how often female green and golden bell frogs prey on males and what impact this has on their population. Scientists are curious if certain environmental factors trigger the behavior or if the males can develop strategies to avoid being eaten. One thing’s for sure—mating season for these frogs is anything but boring.

So, if you thought dating was tough, just be glad you’re not a male green and golden bell frog in Australia. Because when your serenade doesn’t impress, you might not just get rejected—you might get eaten.

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