21. After World War II, Hill helped develop the similar NRC tailless glider in Canada. 22. This feature was offered on models produced prior to the " tailless " period in 1973. 23. The common name of the bat is typically given as the " tailed tailless bat ". 24. Tailed tailless bats probably only breed once a year, giving birth to a single offspring. 25. The tailless tenrec is the largest land-dwelling species of the tenrec family, Tenrecidae. 26. A tailless type may still have a conventional vertical fin ( vertical stabilizer ) and rudder. 27. The concept is a tailless twin-engine stealth fighter available in manned and unmanned configurations. 28. The P . 40 is a tailless aircraft with a swept, cantilever, low wing. 29. The lorises and their close African cousins the pottos are the tailless members of the family Lorisidae. 30. Many foreigners are scared away by its unnerving resemblance to a tailless rat and its frozen grin.