# Brown Jay

*Cyanocorax morio*

Brown Jays possess a unique inflatable air sac in their chest that produces a loud, hollow 'puck' sound just before they vocalize.

- **Taxonomy:** Animalia › Chordata › Aves › Passeriformes › Corvidae › Cyanocorax
- **IUCN Red List status:** Least Concern
- **Population trend:** increasing
- **Biome:** forest
- **Habitat:** Tropical forest edges, riverine woodlands, secondary growth, and agricultural clearing borders.
- **Diet:** Omnivorous; feeds on insects, spiders, small lizards, fruits, seeds, nectar, and bird eggs.
- **Range:** Mexico, Central America, Southern Texas (USA)
- **Size:** 38-44 cm in length, weighing 200-210 grams.
- **Lifespan:** 10-15 years
- **Active:** diurnal
- **Threats:** Generally resilient, but localized threats include heavy pesticide application reducing insect prey and extreme habitat deforestation.
- **Safe to approach?:** Harmless to humans, though highly vocal and defensive near their nests. Maintain a safe distance of 5-10 meters to avoid causing stress. If a flock begins mobbing or screaming at you, calmly walk away from the area to leave their nesting territory.

## About

The brown jay ( Cyanocorax morio ) is a large jay native to Central America and southern Texas.

## Sources

- Plate: https://gaia-dex.com/species/4b4440d2-5ff6-4314-821e-3445c89b9df3
- iNaturalist: https://www.inaturalist.org/taxa/1584194
- Wikipedia: https://en.wikipedia.org/wiki/Cyanocorax morio
- Conservation status: IUCN Red List category, as recorded by Gaia-Dex
- Photo: https://inaturalist-open-data.s3.amazonaws.com/photos/1629561/medium.jpg (Dominic Sherony, CC-BY-SA, via iNaturalist)

Habitat, diet, size and similar notes are AI-written summaries; check them against the linked sources before relying on them.
