Thinking about it now yeah thats wild. For bacteria sure, I get it - but for viruses that's really surprising.
Meaning either some animals are 10x their mass from viruses (very unlikely), or there are *way* more tons of viruses just sitting outside of any animal waiting to get a host than there are inside hosts (which is surprising).
Are they animal viruses or all viruses? There are a lot of bacteria viruses, bacteriophages. I can see the viruses being noticeable percentage of bacteria mass.
Are there really that many viruses out there?