Linked from
The 12 pages that link to Herd behavior, each with the reason it gives.
AntelopeRelated: Herds can improve detection of danger, though their structure varies by species.
MuskoxRelated: Muskox groups feed and respond collectively to threats.
WildebeestRelated: Collective movement helps wildebeest exploit forage and respond to threats.
PeccaryRelated: Group living shapes foraging and defense in several peccary species.
BantengRelated: Banteng form herds, often organized around females and young.
ChitalRelated: Chital form groups that can detect danger and move together.