With the purpose of characterizing morphologicaly the larvae and juveniles of Apareiodon affinis (Steindachner, 1879) and to verify their temporal distribution monthly samples were taken at Leopoldo's ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

A number of rare Australian species found nowhere else in the world now enjoy special protection at a dedicated reserve that was once a cattle station but is now the domain of ecologists and ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Arizona has many deadly creatures to watch out for, whether it's rattlesnakes, Gila monsters or scorpions. However, those creepy critters aren't even close to being the deadliest. According to the ...