Adobe Acrobat DC Essentials for Legal Professionals. 1  Adobe Acrobat DC is the latest version of Acrobat and is the successor to Acrobat XI. 2  The âDCâ stands for Document Cloud, a set of (optional) connected cloud services for Acrobat. 3  The PDF file format has not changed.
A group of blackbirds is most correctly called either a cloud, a cluster or a merle of blackbirds. Because they are so similar to ravens and crows, â¦ they are also called a murder, but this is not the most correct term.4 people found this useful.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.
Best Answer: Crows, Ravens, Rooks, and Blackbirds are often confused with each other (especially Crows and Ravens) but are actually four distinct birds. Crows, Ravens and Rooks are all in the same direct family (Corvids), whereas the Blackbird is a member of the Thrush family.ize First, and most noticeably, ravens are larger than crows. They are (on average) about the size of a hawk, where crows are approximately the size of a pigeon. Call If you're familiar with the call which crows make, you'd probably recognize the raven's call as being different.