Kelly Norrid, a Houston-area wildlife biologist at the Texas Parks and Wildlife Department, explains that this is due to the constant rainfall the area has experienced in recent times.
“It’s no surprise that you see an explosion in all amphibians,” he said, but “frogs are the most visible”.
“We’ve had good, steady, consistent rains and it’s a boom for amphibians because tree frogs need water to reproduce. So this constant rainfall has extended the time that amphibians can breed.”
Since the start of summer on June 1, it has rained 3.59 inches more than normal, according to the National Weather Service Houston / Galveston’s daily climate report.
Meteorologists expect the rain to continue.
There is a 41% chance that August will also have above normal precipitation, according to meteorologist Jimmy Fowler of NWS Houston.
“There has been a continuous elevation low pressure system that stays over Texas and recedes and another falls in its place, and that allows precipitation to start happening,” he said.
“We have a moisture rich environment because we are so close to the coast.”
Tadpoles thrive in this “moisture-rich environment” associated with consistent puddles left by all the rains that the sun has not completely dried up.
“These pools don’t evaporate as quickly, so you’re going to have an abundance of adult tadpoles,” Norrid said, “therefore you see more (frogs)”.
A female frog can lay up to 300 to 500 eggs at a time, he said. These eggs usually hatch in about a week, and the tadpoles begin to develop legs within a few months. From there, they metamorphose and become adults.
A Twitter user noticed several on the sidewalk near Rice University.
“My friends and I have noticed the number of frogs in attendance this summer,” user @lronghaziStan wrote in a direct message.
“A million of them on the sidewalks. My dog chased them a lot more this summer.”
A recent Reddit post went viral after showing 10 of them squeezing a door.
Norrid says it’s quite rare for them to run in packs.
“They can exist in groups,” he said, “but this may be the only hunting ground where there is a lot of water.”
But they are harmless.
“They’re not going to do anything wrong,” Norrid said. “If anything, they’re going to control the insect population.”
These green tree frogs prefer to be on vegetation, but look for them on patio glass doors or anywhere there is porch light, as they attract insects.
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