This fossil exhibits a cloaca—a common cavity used for excretion and reproduction in modern birds, reptiles, amphibians, some fish, and monotremes. "It's almost certain that non-avian dinosaurs ...

Steve Irwin was on a crocodile-catching trip on Queensland's Burdekin River with his father when he discovered a rare species of turtle. It was later named "Elseya irwini," or Irwin's turtle, in his ...

1 2 There is a hypothesis that cloacal exstrophy variant could result from an ischiopagus ... Genetic studies reported normal female karyotype and Fluorescence in situ hybridization (FISH) result, and ...

The Cloaca 3 cluster only appeared in the CV dataset ... strain of bacteria at 3 dpf rather than the unfractionated microbiome used to colonize CV fish. (A) Cartoon of monoassociation experimental ...

When I purchased my first bass boat in 1996, I had the best fish finder at the console and the bow. It was two 5-inch black and white screens that produced pixelated two-dimensional images and I had a ...

Feb. 10, 2025 — In swarm research, a new method makes it possible to track the eye movements of fish automatically, non-invasively and in 3D. Researchers explain why this is important for ...

Nature Research Intelligence Topics enable transformational understanding and discovery in research by categorising any document into meaningful, accessible topics. Read this blog to understand ...

This database, created in 2000, is updated every four months with newly published scientific articles, books, and other publications related to improving or safeguarding the welfare of animals used in ...

Welcome to the “Which type of fish are you?” personality quiz! Fish come in all shapes, sizes, and colors, with a vast array of unique traits and characteristics. Just like fish, people come in all ...

200,000,000: Gallons of water delivered daily by aqueducts Rome’s 11 aqueducts supplied water to the entire city, powering fountains, baths, and even the Cloaca Maxima, the world’s first ...

At 3 weeks of development, the mesenchyme cells migrate around the cloacal membrane, forming a pair of slightly elevated cloacal folds. They join cranially to form the genital tubercle, and caudally ...