Why are invertebrates having all the fun?

Invertebrates have no backbone or spinal column.

Fossil of plants, invertebrates, vertebrates, and trace fossils have been identified in Yellowstone National Park from more than 40 stratigraphic units spanning more than 540 million years from the Cambrian to the Cenozoic eras.

Insects are invertebrates.

It feels like carbohydrates are toxic like the toxins contained in invertebrates in the world's oceans.

Usually found in or near kelp forests, sea otters dine on invertebrates such as snails, crabs, octopuses, urchins, and abalone.

Two invertebrates prepared for battle.

Most animals with tentacles are invertebrates.

Insects are the only invertebrates that can fly.

Pseudo-nitzschia produces a neurotoxin called domoic acid, which can build up in shellfish, other invertebrates, and fish. This can lead to illness and death in a variety of birds and mammals that consume them.