A new study of Antarctic seals shows that environmental conditions are leading to a severe decline in their populations in ...

A new study shows that melting sea ice due to increasing temperatures is leading to a "concerning" and severe decline in ...

They usually start with a primary producer and end with a top predator. Here is an example of a food chain: phytoplankton to copepod to fish to squid to seal to orca.

Small fragments of plastic have now been uncovered in seal poo, serving as the first evidence of the material making its way up the food chain to marine predators. Finding plastic in seal feces ...

You’re familiar with the food chain: little fish eats plankton, bigger fish eats the little fish, then a seal eats the bigger fish, thus consuming the energy from all three smaller animals.

and citizen science seal sightings, the authors found that the significant drop and eventual disappearance of great white sharks led to major ecological shifts throughout the food chain.

After all, you don't see rabbits caramelizing carrots or polar bears slow-roasting seal. But in terms of the global food chain, Homo sapiens are definitely not the head honchos. In the new study ...

When an organism from a lower trophic level, or food chain, is consumed by one at a higher level, there is a certain loss of energy. "When the seals eat the prey of the fish directly, they are ...

Because seals are at the top of the food chain, they are a “sentinel species” that can signal big problems in their environment. After all, seals don’t only gather at Año Nuevo, but can be ...

The large predators that sit atop the marine food chain are a diverse group that includes finned (sharks, tuna, dolphins), feathered (pelicans, penguins), and flippered (seals, walruses ...