A study of the use of manipulatives in the assessment of mathematics instruction with ESL Hispanic students. Bilingual Research Journal, 22(2-4), 215-235. I'm including this reference and abstract because it seems like an ideal research article for our group. Unfortunately, the report is written in Spanish only.
Red Rangers are a generation cross from the popular Rhode Island Red & are also known as Columbian Blacktails. These pretty chestnut hen's adapt well to most set up's, especially as backgarden hen's, free-rangers and smallholdings.
Our Red Rangers are a great alternative to the modern supermarket bird of today (Cornish Cross). The genetic stock is derived from US developed pedigree lines using old heritage breeds of chickens. The Red Ranger chicken has strong legs, a dark red feather color, with black feathered wing tips and tail feathers.