The ensuing tadpoles or larvae are completely aquatic ... There is evidence it all started with some infected African clawed frogs, exported in the 1930s to Europe for use in pregnancy tests!

African clawed frog tadpole. Image by Davefoc, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Dolly the sheep Image via Unsplash ...

Edible frogs found in lakes and streams Image by Dennis Jacobsen via Depositphotos. Frogs have hopped around our planet for over 200 million years, outliving the dinosaurs and adapting to almost every ...

They take great care in raising their young, with males taking a significant role in protecting tadpoles. This is one species where parental roles are crucial in the frogs’ survival. For poison ...

The new rain frog species was discovered in a small town in South Africa during an electrical storm, researchers said.

Tadpoles eat pond vegetation, and as they grow, they eventually sprout four legs. Their finned tails shrink and vanish as they undergo the metamorphic change into adult frogs. In this second stage ...

In early spring (often as early as January or February, depending on the weather), adult frogs gather to breed ... and beginning to take on their ‘tadpole’ shape, wriggling inside their ...

Inside was a foam box with clawed frog embryos in microcentrifuges, as well as embryonic samples in paraffin well stages and on mounted dyed slides. Petrova initially denied carrying any ...

The frowny-faced frog took a trio of scientists by surprise when they heard its chirping call in the rain-slicked slopes of ...

Once inside a developing tadpole, the parasite targets the limb-forming regions. It scrambles the chemical signals that guide proper limb development—leading to frogs with extra legs ...

Avoid fish (generally): People often add fish to ponds to control mosquitoes, but many frogs will avoid ponds with fish, which often eat amphibian eggs and tadpoles. If you do want fish ...