Amazon Tree Boas come in just about any color phase imaginable. Yellow, bright red, orange, gray, brown,green, black and white and about any combination that you can think of. CBR has developed a blood red bloodline from multi-colored animals that may have a few black flecks on their heads. Our orange-yellow and red banded bloodline produces a high percentage of blood red offspring. Babies are feeding on rodents prior to sale. Four to seven feet as adults.