You are given a sentence and your task is to generate another sentence that supports the given input.

Example input: In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
Example output: Venus has a warmer average surface temperature than earth.
Example explanation: Output statement supports the input statement's claim about the temperatures of Venus being higher than the earth.
Q: Human actions have caused the extinction of hundreds of species of birds, and some 1,200 species  are threatened with extinction today.
A:
Around 1200 species of birds are currently at risk of extinction due to human activity.