![National Aquarium on Twitter: "Emerald tree boas have deep pockets located along their jaws that are equipped with infrared heat receptors. These temperature-sensing pits allow boas to detect and strike down warm-blooded National Aquarium on Twitter: "Emerald tree boas have deep pockets located along their jaws that are equipped with infrared heat receptors. These temperature-sensing pits allow boas to detect and strike down warm-blooded](https://pbs.twimg.com/media/EWKWdQsX0AAgaJB.jpg)
National Aquarium on Twitter: "Emerald tree boas have deep pockets located along their jaws that are equipped with infrared heat receptors. These temperature-sensing pits allow boas to detect and strike down warm-blooded
![Smuggler caught after bag holding 95 boa constrictors bursts open at airport | Endangered species | The Guardian Smuggler caught after bag holding 95 boa constrictors bursts open at airport | Endangered species | The Guardian](https://i.guim.co.uk/img/static/sys-images/Environment/Pix/columnists/2010/3/16/1268736119670/Protected-species-in-the--001.jpg?width=465&quality=85&dpr=1&s=none)
Smuggler caught after bag holding 95 boa constrictors bursts open at airport | Endangered species | The Guardian
![Baby Emerald Tree Boa (Corallus caninus), note Heat Sensing Pits, Stock Photo, Picture And Rights Managed Image. Pic. AAM-AAES89232 | agefotostock Baby Emerald Tree Boa (Corallus caninus), note Heat Sensing Pits, Stock Photo, Picture And Rights Managed Image. Pic. AAM-AAES89232 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/8b11653643a084b7a710f2bb557107f5/aam-aaes89232.jpg)