Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.

Five years after largest marine heatwave on record hit northern California coast, many warm-water species have stuck around.

The possibly record-breaking temps follow the warmest winter on record in the region.

Freshwater fish suffer from low levels of oxygen in the country’s rivers, while bats are unable to survive the extreme air temperatures.

Not only did many corals die in recent years, but some were actually killed by the hotter temperatures themselves, rather than bleaching.