the transition to internal gills

Adults are aquatic, semi-aquatic, or terrestrial, but all species lay their eggs in water. ... Frog calls can be “described” in scientific terms by playing a ... Feb 12, 2024 ... This is called amplexus, and he will stay on the female's back until she lays eggs, which he then fertilizes. Other males may try to push him ... The newly hatched frogs, called froglets, were brought to the zoo as eggs earlier this spring by the Washington Department of Fish and Wildlife. “They're ... 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. Apr 12, 2011 ... I had no idea that toads lay their eggs in strings; I've always seen the more common diagrams of frog egg clusters. ... called the parotid gland. In late April, male frogs begin calling to attract females. Females can lay more than 6,000 eggs which may vary from submerged egg masses in northern ... Feb 22, 2023 ... ... frogs to overwinter in. Amphibians like the northern leopard frog undergo a state of dormancy called 'brumation' during the winter. During ... Female frogs lay a bunch of eggs in water, they cover these with a jelly like coating to protect them. These eggs float in the form of a cluster which is called ... It all starts with adult frogs laying hundreds of tiny eggs, which clump together in groups known as frogspawn. This happens in early spring, when the ... Mar 19, 2025 ... ... eggs or wood frog eggs yet. I listen first, trying to locate the chirping of male frogs calling to attract females but find that they stop ...