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Researchers use variation on humpback whale flukes to identify and track the animals. Photo-identification is a technique used to identify and track individuals of a wild animal study population over time. It relies on capturing photographs of distinctive characteristics such as skin or pelage patterns or scars from the
During the Renaissance, artist and scientist Leonardo da Vinci famously sketched his observations from human dissections, as well as his studies of plants and the flight of birds. In the mid-16th century, the physician Andreas Vesalius compiled and published the De humani corporis fabrica , a collection of textbooks on human anatomy superior to ...
Researchers use variation on humpback whale flukes to identify and track the animals. Photo-identification is a technique used to identify and track individuals of a wild animal study population over time. It relies on capturing photographs of distinctive characteristics such as skin or pelage patterns or scars from the
Country Name of bird Scientific name Official status Picture Ref. Afghanistan Golden eagle Aquila chrysaetos Yes Albania Golden eagle Aquila chrysaetos Yes Angola Red-crested turaco Tauraco erythrolophus Yes Anguilla Zenaida dove Zenaida aurita Yes Antigua and Barbuda Magnificent frigatebird Fregata magnificens Yes Argentina Rufous hornero Furnarius rufus Yes [8] Aruba "Prikichi" Brown ...
The Peterson Identification System is a practical method for the field identification of animals, plants and other natural phenomena. It was devised by ornithologist Roger Tory Peterson in 1934 for the first of his series of Field Guides [1] (See Peterson Field Guides.) Peterson devised his system "so that live birds could be identified readily ...
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A FBI document obtained by Wikileaks details the symbols and logos used by pedophiles to identify sexual preferences. According to the document members of pedophilic organizations use of ...
Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine