Dichotomous Key: Identifying the Eight Field Specimens

How to use this key: start at STEP 1. Each step lists rules in order. A rule
reads "IF trait = value THEN result". Compare the specimen's value for the
named trait (from specimen-traits.csv) to each rule's value, in order, and
use the first rule that matches. A result is either "GO TO STEP n" (move to
that step and keep comparing) or a name (that name is the specimen's
identification, and you are done). A step's last line may instead read
"ELSE result", which matches any specimen that did not match an earlier rule
in that step.

STEP 1
IF wings = yes THEN GO TO STEP 2
IF wings = no THEN GO TO STEP 3

STEP 2
IF body_covering = feathers THEN Duskwing
IF body_covering = scales THEN Brightscale

STEP 3
IF habitat = water THEN GO TO STEP 4
IF habitat = land THEN GO TO STEP 5

STEP 4
IF shell = yes THEN Rockshell
IF shell = no THEN Glimmerfin

STEP 5
IF legs = 8 THEN Sandcrawler
ELSE GO TO STEP 6

STEP 6
IF legs = 6 THEN GO TO STEP 7
IF legs = 4 THEN Thistlehorn

STEP 7
IF body_covering = fur THEN Mossback
IF body_covering = exoskeleton THEN Marshtail