A high-pitched, searing call pierced the air from behind a towering wall topped with razor wire. It was the unmistakable sound of a mountain marmoset – the buffy-tufted ear marmoset – calling from within a tiny fragment of forest hidden in the heart of the city. We walked along the outside of the wall until…

At the beginning of December 2025, Tamarin Trust, with our partners Zoomelhor, coordinated a conservation husbandry workshop in southern Brazil, bringing together rescue centres, zoos, universities, and government agencies to improve the management of primates in human care and threatened primate populations in the wild. The workshop, in the state of Rio Grande do Sul,…

All is not well for a tiny primate living in the centre of the Amazon rainforest, but its fight for survival will help the fight to save the largest rainforest in the world. Tamarin Trust’s founder, Dom Wormell, shares his impressions and hopes for the conservation of the pied tamarin. I could have been walking…

The Amazon rainforest — the lungs of our planet — is disappearing at an alarming rate. Vast areas once rich in wildlife and towering trees have been reduced to barren land. But together, we can bring life back. Tamarin Trust is raising funds to support a fantastic new initiative to buy native seeds and seedlings…

Tamarin Trust’s founder, Dom Wormell, has been working for the conservation of tamarins in Colombia for two decades. Here he describes what he experienced in a trip to the country in September 2025, and how it contrasts with what he found on his first visit. “More than twenty years ago, I found myself in a…

The golden-headed lion tamarin or Bahian lion tamarin, Leontopithecus chrysomelas, is one of the 17 endangered primate species endemic to the Brazilian Atlantic Forest. The species is in the National Action Plan for Atlantic Forest Primates and the Maned Sloth. Its habitat is fast disappearing with the expansion of cattle ranching and urban areas eating into the…