The usual case is for attachment and implantation to occur within a few days after the blastocyst reaches the uterus. In many animals, however, implantation can be delayed for substantial periods of time, during which the blastocyst enters a quiescent state called embryonic diapause.
Don't Fence Me In (Movie Clip) Trigger Dance. now playing Don't Fence Me In (Movie Clip) Trigger Dance Roy Rogers and Trigger perform for the folks at the dude ranch in Don't Fence Me In !945. View the TCMDb entry for Don't Fence Me In (1945)
Above from L-to-R are Andy Devine, Roy Rogers on the original Trigger, and Bob Nolan in a scene cropped from a lobby card from the Trucolor UNDER CALIFORNIA STARS (Republic, 1948). Devine is riding Banner (easy to recognize because of the face blaze). Earlier, Don Barry rode Banner in his Republic series - click HERE.