Draft new columns from bids-standard#816

src/schema/objects/columns.yaml

@@ -392,6 +392,15 @@ software_filters:
   - type: string
     enum:
     - n/a
+species:
+  name: species
+  description: |
+    The `species` column SHOULD be a binomial species name from the
+    [NCBI Taxonomy](https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi)
+    (for example, `homo sapiens`, `mus musculus`, `rattus norvegicus`).
+    For backwards compatibility, if `species` is absent, the participant is assumed to be
+    `homo sapiens`.
+  type: string
 status:
   name: status
   description: |
@@ -423,6 +432,20 @@ stim_file:
     For example `"images/cat03.jpg"` will be translated to `"/stimuli/images/cat03.jpg"`.
   type: string
   format: stimuli_relative
+strain:
+  name: strain
+  description: |
+    For species different from `homo sapiens`, string value indicating
+    the strain of the species, for example: `C57BL/6J`.
+  type: string
+strain_rrid:
+  name: strain_rrid
+  description: |
+    For species different from `homo sapiens`, research resource identifier
+    ([RRID](https://scicrunch.org/resources/Organisms/search))
+    of the strain of the species, for example: `RRID:IMSR_JAX:000664`.
+  type: string
+  format: rrid
 time:
   name: time
   description: |