# Scientists discover two adorable species of howler monkey in the Amazon — and they're already endangered

Source: [Latest from Live Science in Animals](https://www.livescience.com/animals/primates/scientists-discover-two-adorable-species-of-howler-monkey-in-the-amazon-and-theyre-already-endangered) · 2026-11-13 · Life
Page: https://themorning.science/story/scientists-discover-two-adorable-species-of-howler-monkey-in-the-amazon-and-they-6809637e3a811939
Kind: research · Impact: medium

## In brief

- Scientists have identified two new howler monkey species in the Amazon rainforest.
- The new species are named Alouatta iroi and Alouatta matogrossensis.
- A new study shows the discoveries could redraw parts of these primates' evolutionary tree.

## Why it matters

The findings may change how howler monkeys are classified on the evolutionary tree. The Live Science headline reports that the species are already endangered, which points to a conservation concern.

## Coverage

- [Scientists discover two adorable species of howler monkey in the Amazon — and they're already endangered](https://www.livescience.com/animals/primates/scientists-discover-two-adorable-species-of-howler-monkey-in-the-amazon-and-theyre-already-endangered) — Latest from Live Science in Animals, 2026-11-13

Tags: primates, new species, amazon, biodiversity, evolution

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science