Sort these animals into vertebrates and invertebrates. 

Fish, Spider, Cow, Bird
Fish, Spider, Cow, Bird
Vertebrates:
Fish, Cow, Bird

Invertebrates:
Spider
Complete the following task based on the instruction and optional input provided.### Instruction:
Sort these animals into vertebrates and invertebrates. 

Fish, Spider, Cow, Bird

### Input:
Fish, Spider, Cow, Bird

### Output:
Vertebrates:
Fish, Cow, Bird

Invertebrates:
Spider