The fading of butterflies starts with a quiet absence. It begins with hardly any caterpillars wriggling from plants and even ...

This week at Crossroads, we wrap up the final school field trips of the academic year. But learning doesn’t stop then.

Scientists in Mexico have found that axolotls bred in captivity can survive and thrive in their native habitat—which is great ...

Butterflies can also serve as an indicator species that can warn of threats and trends in other insects. Because humans are fond of butterflies, it’s easy to get volunteers to participate in ...

Most people would attach little importance to these small and solitary amphibians. Yet, salamanders, referred to by scientists as ‘indicator species’, play a fundamental role in the good functioning ...

Butterflies can also serve as an indicator species that can warn of threats and trends in other insects. Because humans are fond of butterflies, it’s easy to get volunteers to participate in ...

Overall nesting efforts for most wading bird species were below the 10-year average, indicating a concerning trend for these important indicator species. State biologists recently released the ...

That makes them what scientists call a good “indicator species” for assessing progress in the on-going multibillion-dollar effort to restore the natural water flow to the sprawling River of Grass.

Salamanders are important indicator species. They are very susceptible to toxins and pollutants, so their presence can help scientists understand how healthy a habitat may or may not be.