It is not a hologram, but a patronus (spell to defend against Dementors and send messages to other wizards in no time).
The deer patronus belongs to Snape, and very specifically to Lilly Potter (Harry's mum). Snape loved her so much that he took over her patronus as a sign when she was killed by Voldemort.
The patronus represents itself to Harry and helps him find the real sword of Gryffindor.
The lamb, the deer, or the dove.
The deer or the dolphin.
In Native North America the deer represents grace and survival. The most common species of deer found in North America are the Whitetail Deer and the Mule Deer.
Rangifer is an extinct constellation which represents a caribou (or reindeer). Dain, Dvalin, Duneyr, and Durathror are deer constellations.
Artemis is often symbolized by a bow and arrow, as she is the goddess of the hunt and wilderness in Greek mythology. Deer and a crescent moon are also associated with her as symbols.
The animals on the Alberta coat of arms are a red deer (elk) and a Rocky Mountain bighorn sheep. The red deer symbolizes Alberta's wildlife, while the bighorn sheep represents the province's mountains.
The deer (stag, buck) head over the shield (coat of arms) on the Vermont flag represents the wildlife of the state.
There are many symbols which represent triumph. Some of these symbols are the triumph cross, a palm branch, dove, deer, cows, and cats.
The Yucatan flag represents the state of Yucatan in Mexico. The green color symbolizes the region's vegetation, the white represents purity, and the red represents the blood shed by those who fought for independence in Yucatan. The coat of arms in the center features a tree, a bird, and a deer, representing the region's natural beauty and wildlife.
Water Deer Elk Caribou Moose Red Deer Reindeer Chinese Water Deer Roe Deer Sika Deer Fallow Deer Whitetail Deer Mule Deer
The song featured in the scene where the deer is running in "Twilight" is called "Bella's Lullaby," composed by Carter Burwell. It is a recurring theme throughout the film and represents Bella and Edward's relationship.
Red deer, Wapiti, Sika deer, whitetail deer, Rusa deer, Sambar deer, Fallow deer,