White-lipped Peccary (Tayassu pecari) lives in tropical rainforest across Central and South America. It feeds on fruits and roots. Its conservation status is Vulnerable.
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White-lipped peccaries grow to the size of a small adult human: adults reach 90-135 cm (35-53 in) in length, stand about 90 cm (35 in) at the shoulder, and weigh 27-40 kg (60-88 lb). Their head-and-body length is recorded as 750-1,000 mm, shoulder height 440-575 mm, and weight 25-40 kg, showing a consistent size range across studies.
These animals move in massive, noisy herds: groups can be as small as five individuals but have been recorded up to 300, and in Costa Rica herds of 70-100. Herds can even swell to 2,000 in some areas, though most range from 5 to over 200. Their loud vocal repertoire lets the whole group stay together over hundreds of metres, a strategy that deters predators like jaguars.
White-lipped peccaries are forest engineers: as they root through leaf litter they churn and aerate soil, scatter seeds in their scat, and create shallow wallows that fill with water, forming tiny aquatic habitats that attract insects and bats. Their activity is likened to tractors turning over soil, making the ground fertile for the next generation of trees.
A 2018 analysis showed white-lipped peccaries have vanished from 87 % of their historic Mesoamerican range, with population drops of 89 % in Costa Rica and 84 % in Mexico and Guatemala.
Peccaries breed year-round, with an estrus cycle of 18-21 days. After a gestation of about 158 days (156-162 days in other reports), females usually give birth to twins, and the newborns can join the herd within hours.
Sources
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Through the dappled shadows of the tropical forest, the white-lipped peccary moves with a quiet purpose, its tusks glinting like polished stone as it roots out the fruits and roots that sustain it. With a fluid, almost porcine gait, it navigates the dense underbrush, its keen sense of smell guiding it through the labyrinthine world of tree trunks and vines. Its very existence is a testament to the enduring power of adaptation, a remarkable creature that has thrived in this fragile ecosystem for millennia, even as the forces of human activity threaten its delicate balance.
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