Climate change is one of the most significant threats to tree frogs, as it can cause their habitats to become too hot or dry, or change the timing of their food supply. For example, many tree frogs rely on insects for food, and if the insects' life cycles are disrupted due to climate change, the frogs may not have enough to eat. Climate change can also cause tree frogs to become more vulnerable to disease, as their immune systems may be weakened by the stress of living in a changing environment.

Invasive species:

Invasive species can also pose a serious threat to tree frogs. Invasive species are non-native species that have been introduced to an area and have become a threat to the native species. For example, the cane toad is an invasive species that has been introduced to many parts of the world and has caused significant declines in tree frog populations. Cane toads are toxic to tree frogs, and they also compete with them for food and habitat.

The combined effects of climate change and invasive species:

Climate change and invasive species can have even more devastating effects on tree frogs when they occur together. For example, climate change can make tree frogs more vulnerable to the negative effects of invasive species, and invasive species can make it more difficult for tree frogs to adapt to climate change.

The combination of climate change and invasive species is a serious threat to tree frogs, and it is likely to have a significant impact on their populations in the future.