Fletchling have often been accused of split personalities, for although they spend most of their lives as gentle, sociable creatures, there are scattered reports of them behaving extremely aggressively. These acts of aggression can in every instance be tied to specific locations for each particular Fletchling, and scientific research into this problem initially focused on pollution. Yet none of these locations could be distinguished from their surroundings except by the behavior of the Fletchling in question.
The answer to this conundrum was recently solved with the help of ancient texts, which described Fletchling as fiercely territorial birds. With these reports in mind, it was discovered that a Fletchling's territory only somewhat extends past its nest, and its existence is not marked by physical boundaries. Instead, with regard to their own species, song and custom serve to delineate their territory, while against other pokemon and humans, Fletchling secure their territory through loud noises and force. Their territories can be no larger than the distance which their aggressors are willing to flee, for Fletchling win few fights and rely on their foes' unwillingness to battle over land.
Fletchling's territoriality has often been overlooked, because these pokemon are perpetual travelers who see their territory as less a vast range in which to exclusively hunt than as something akin to a human house and yard. Although Fletchling are extremely common in Kalos, their collective territory is so small that Fletchling attacks are a rare sight, and they hunt, socialize, and even mate in the far larger skies which they set aside for common use. Yet Fletchling will return to their homes unfailingly at night, and can often be placed there even in daylight, when the weather is harsh, when they are clearing away debris, or when they have nothing elsewhere to occupy their time.
