To Photo: Oak and Niko. There are four stages to the canine estrus cycle (reproductive cycle)—proestrus, estrus, diestrus, and anestrus. Proestrus is the stage where the female’s estrogen level peaks. Proestrus lasts for, on average, 9 days. Males are attracted to her but she is not receptive to them. Estrus, which also averages 9 days, is the fertile period. Estrogen levels drop and proestrogen levels rise. More importantly, the female is receptive to males. Diestrus lasts for about 2-3 months or until theRead more
Posts tagged: #Niko
Who’s Who (Niko and Oak)
Top Photo: Oak (front) and Niko. On November 12, I posted about the arrival of our two red wolves, Niko and Oak. In that post I also mentioned a bit about how to differentiate the two, tell them apart from one another. Besides the white cheek patch (very small and barely noticeable) and white area surrounding the base of her tail (quite evident), Oak has a much narrower face than Niko. The broader snout and forehead of Niko is discernibleRead more