'Amphibious Mouse' among 27 New Species Discovered in Peru's Amazon

A clearwing butterfly (Oleria sp.) specimen, from one of the 218 species of butterflies observed during an expedition to the Peruvian region of Alto Mayo, is pictured, June 8, 2022. Conservation International/photo by Marlon Dag/Handout via REUTERS
A clearwing butterfly (Oleria sp.) specimen, from one of the 218 species of butterflies observed during an expedition to the Peruvian region of Alto Mayo, is pictured, June 8, 2022. Conservation International/photo by Marlon Dag/Handout via REUTERS
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'Amphibious Mouse' among 27 New Species Discovered in Peru's Amazon

A clearwing butterfly (Oleria sp.) specimen, from one of the 218 species of butterflies observed during an expedition to the Peruvian region of Alto Mayo, is pictured, June 8, 2022. Conservation International/photo by Marlon Dag/Handout via REUTERS
A clearwing butterfly (Oleria sp.) specimen, from one of the 218 species of butterflies observed during an expedition to the Peruvian region of Alto Mayo, is pictured, June 8, 2022. Conservation International/photo by Marlon Dag/Handout via REUTERS

An "amphibious mouse" with partially webbed feet that eats aquatic insects was among 27 new species discovered during a 2022 expedition to Peru's Amazon, according to Conservation International.

Scientists also discovered a spiny mouse, a squirrel, eight types of fish, three amphibians and 10 types of butterflies, Trond Larsen, head of Conservation International's Rapid Assessment Program, told Reuters this week.

He added that another 48 species found by investigators were potentially new, but needed further study.

The new species were found in Alto Mayo, a protected area with several ecosystems, Indigenous territories and villages.

"Discovering so many new species of mammals and vertebrates is really incredible, especially in such a human-influenced landscape as Alto Mayo," Larsen said.

The expedition between June and July 2022 was made up of 13 scientists plus local technicians and members of Indigenous groups.

"It was really fantastic to work so closely with the Awajun people. They have extensive traditional knowledge about the forests, animals and plants they live side-by-side with," Larsen said.

Among the new species, Larsen highlighted the spiny mouse that has stiff fur, the amphibious mouse, and a dwarf squirrel that measures 14 cm (5.5 in).

"(The squirrel) fits so easily in the palm of your hand. Adorable and beautiful chestnut-brown color, very fast," Larsen said. "It jumps quickly and hides in the trees."

Another favorite discovery was the blob-headed fish, a type of armored catfish, he said.

A total of 2,046 species were recorded during the 38-day expedition using camera traps, bioacoustic sensors and DNA sampling. Among them, 49 were classified as threatened, including the yellow-tailed woolly monkey and the tree monkey.

Larsen said the discoveries reinforced the need to protect the area.

"Unless steps are taken now to safeguard these sites and help restore parts of the landscape ... there's a strong chance they won't persist in the long term," Larsen said.



Photos Show a Filipino Couple Walking Down a Flooded Aisle on Their Wedding Day

Newlyweds Jade Rick Verdillo right, and Jamaica walk hand in hand during their wedding at the flooded Barasoain church in Malolos, Bulacan province, Philippines on Tuesday, July 22, 2025. (AP Photo/Aaron Favila)
Newlyweds Jade Rick Verdillo right, and Jamaica walk hand in hand during their wedding at the flooded Barasoain church in Malolos, Bulacan province, Philippines on Tuesday, July 22, 2025. (AP Photo/Aaron Favila)
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Photos Show a Filipino Couple Walking Down a Flooded Aisle on Their Wedding Day

Newlyweds Jade Rick Verdillo right, and Jamaica walk hand in hand during their wedding at the flooded Barasoain church in Malolos, Bulacan province, Philippines on Tuesday, July 22, 2025. (AP Photo/Aaron Favila)
Newlyweds Jade Rick Verdillo right, and Jamaica walk hand in hand during their wedding at the flooded Barasoain church in Malolos, Bulacan province, Philippines on Tuesday, July 22, 2025. (AP Photo/Aaron Favila)

Jade Rick Verdillo and Jamaica Aguilar were determined to walk down the aisle on their wedding day. Even if it meant walking down a flooded one.

On Tuesday, the Barasoain church in Malolos, Bulacan province, Philippines flooded due to heavy rain. Typhoon Whipa had intensified seasonal monsoon rains in the Philippines, bringing widespread flooding.

The couple anticipated the risk of flooding, but instead of letting the weather dampen the mood, they decided to push through, as all marriages have their challenges.

“We just mustered enough courage,” said Verdillo. “We decided today because it is a sacrifice in itself. But there will more sacrifices if we don’t push through today.”

Aguilar waded down the aisle with her white dress and wedding train floating behind her through waters almost up to her knees. At the altar, Verdillo was waiting to receive her while wearing an embroidered shirt called a Barong Tagalog, worn during special occasions.

The newlyweds have been together for 10 years. The groom said, “I feel that challenges won’t be over. It’s just a test. This is just one of the struggles that we’ve overcome.”

Despite the turbulent weather, some family and friends made it to the wedding.

“You will see love prevailed because even against weather, storm, rains, floods, the wedding continued,” said Jiggo Santos, a wedding guest. “It’s an extraordinary wedding.”