With winter seemingly in full force in the Great Northern Forests it is likely to be at least four months before reptiles and amphibians are out again in large numbers in the Great Northern Forests. For many, a Blue-spotted Salamander (Ambystoma laterale) such as this one will be the first species they see next spring, […]
A Boyd’s Forest Dragon (Hypsilurus boydii) from northeastern Queensland, Australia. These lizards inhabit tropical rain-forests, spending a majority of their time perched vertically on tree trunks. Their excellent camouflage helps them avoid potential predators.
Embryonic sex determination (i.e., the mechanism that determines whether embryos develop into males or females) is a fundamental biological process that has significant implications in determining sex ratios in natural populations. Many vertebrates, including mammals, birds, amphibians, and some reptiles exhibit genotypic sex determination (GSD), where males or females are produced based on the sex […]
How on earth did thousands of clams end up in a vernal pool that shares no connection with other bodies of water? Furthermore, how did they colonize thousands of vernal pools across the United States? Those are good questions, and ones that almost everyone asks immediately after learning many vernal pools are populated by something […]