the development of the tympanum (eardrum)

Dec 13, 2022 ... “I was tasked with collecting frog eggs, growing them to the next step called 'embryos', that grow to become tadpoles. I did this on the top ... Jan 10, 2019 ... Boreal Chorus Frog Eggs, photo by Sandra Kinsey. Bullfrog. Factsheet: Bullfrog (PDF). Scientific name: Lithobates catesbeiana. Species code: A ... May 27, 2014 ... A newly discovered species from southern India differentiates itself in part by being the only known amphibian to coat its eggs in mud. When I first moved here some thirty years ago as of July 4th of this year, the meadow below me was full of frog calls all spring long. ... Perhaps the frog eggs ... Feb 22, 2023 ... ... frogs to overwinter in. Amphibians like the northern leopard frog undergo a state of dormancy called 'brumation' during the winter. During ... Feb 9, 2022 ... ... called Southern Foam Nest Frog. It is a grey-looking frog, sometimes ... eggs directly into the water and risk the eggs being eaten by any ... ... known to lay more than 3,000 eggs. Frogs breeding in cascading mountain streams lay far fewer eggs, usually no more than 200. The problem of fertilization ... Poison frogs' clutch size varies between species from one to 40 eggs per clutch. ... Poison frogs are commonly called poison arrow and poison dart frogs due to ... This type of fertilization is called external fertilization. The eggs are laid in jelly-like masses in groups of a few to as many as several hundred depending ... Use the breeding bar and links to frog calls to identify frogs by their calls. ... With the exception of the terrestrial Greenhouse Frog, which lays eggs on ...