aÂ·mendÂ·ment. n. 1. The act of changing for the better; improvement: Society may sometimes show signs of repentance and amendment (George G. Coulton). 2.
While several species are relatively well known, the plumed guineafowl and the two members of the genus Agelastes remain relatively poorly known. These large birds measure from 40â71 cm (16â28 inches) in length, and weigh 700â1600 grams or 1.5-3.5 pounds.
Share to: If you're referring to a bird, a mature turtus merula (common  blackbird) can weigh 80 - 125 grams If you're referring to an  aircraft, the Blackbird aircraft also known as â¦ the Lockheed  SR-71 had a weight (empty and without weapons) of 30 600 kg.hat is the weight of a blackbird? If you're referring to a bird, a mature turtus merula (common  blackbird) can weigh 80 - 125 grams If you're referring to an  aircraft, the Blackbird aircraft also known as â¦ the Lockheed  SR-71 had a weight (empty and without weapons) of 30 600 kg.