Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai’i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
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An Endangered Honeycreeper, the `Akeke`e (Kauai Akepa), in Hawaii
Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai’i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
An Endangered Honeycreeper, the ‘Akikiki (Kaua‘i Creeper), in Hawai‘i
Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai’i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai’i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
Koa research on Maui
Lucas Fortini investigates a Koa tree in a remnant forest on Maui.
Lucas Fortini investigates a Koa tree in a remnant forest on Maui.
Dendrometer on ‘a‘ali‘i plant on Maui
A dendrometer to measure fine-scale growth is attached to the stem of an ‘a‘ali‘i plant in the Nakula Natural Area Reserve on Maui, Hawai‘.
A dendrometer to measure fine-scale growth is attached to the stem of an ‘a‘ali‘i plant in the Nakula Natural Area Reserve on Maui, Hawai‘.
Dendrometer on tree
A dendrometer attached to a tree helps measure its physiologic responses to the environment.
A dendrometer attached to a tree helps measure its physiologic responses to the environment.
Koa forest in former pastureland
Overlooking koa (Acacia koa) restoration forest in former pastureland at Hakalau Forest National Wildlife Refuge, Hawai‘i.
Overlooking koa (Acacia koa) restoration forest in former pastureland at Hakalau Forest National Wildlife Refuge, Hawai‘i.
Koa trees with grass understory
Koa (Acacia koa) trees with grass understory at Hakalau Forest National Wildlife Refuge, Hawai‘i. Koa trees have been planted as part of habitat restoration efforts on the Refuge.
Koa (Acacia koa) trees with grass understory at Hakalau Forest National Wildlife Refuge, Hawai‘i. Koa trees have been planted as part of habitat restoration efforts on the Refuge.
Male Laysan duck (Anas laysanensis) at Midway Atoll
Male Laysan duck (Anas Laysanensis) at Midway Atoll, Hawai‘i
Male Laysan duck (Anas Laysanensis) at Midway Atoll, Hawai‘i
Koa trees at Hakalau Forest National Wildlife Refuge
Koa (Acacia koa) trees in former pastureland in the Hakalau Forest National Wildlife Refuge, Hawai‘i.
Koa (Acacia koa) trees in former pastureland in the Hakalau Forest National Wildlife Refuge, Hawai‘i.
Maui sunset through the trees
Our research collaborator, Corinna Pinzari, snapped this breathtaking shot of a Maui treeline silhouetted by the setting sun. Corinna is a bat researcher who works closely with USGS ecologist, Dr. Frank Bonaccorso.
Our research collaborator, Corinna Pinzari, snapped this breathtaking shot of a Maui treeline silhouetted by the setting sun. Corinna is a bat researcher who works closely with USGS ecologist, Dr. Frank Bonaccorso.
‘Akiapola‘au release
'Akiapola'au released from the hand at Hakalau Forest Wildlife Refuge. This species has an amazing dual purpose bill, the upper bill allows them to drink nectar from specially evolved flowers, while the lower bill allows them to bore into tree bark foraging for insects.
'Akiapola'au released from the hand at Hakalau Forest Wildlife Refuge. This species has an amazing dual purpose bill, the upper bill allows them to drink nectar from specially evolved flowers, while the lower bill allows them to bore into tree bark foraging for insects.
Hanalei National Wildlife Refuge
Hanalei National Wildlife Refuge
Hanalei National Wildlife Refuge
Hawaiian rainforest on the island of Moloka'i
Blue flagging tape marks the path of a research transect in a Hawaiian rainforest on the island of Moloka'i.
Blue flagging tape marks the path of a research transect in a Hawaiian rainforest on the island of Moloka'i.
Close up of an ‘Ōhi‘a lehua
A dew covered lehua flower of an ‘Ōhi‘a tree at the Kahuku unit of Hawai‘i Volcanoes National Park. These flowers are a favorite meal for many of the native Hawaiian forest birds throughout the Hawaiian islands.
A dew covered lehua flower of an ‘Ōhi‘a tree at the Kahuku unit of Hawai‘i Volcanoes National Park. These flowers are a favorite meal for many of the native Hawaiian forest birds throughout the Hawaiian islands.
‘Ōhi‘a in bloom
‘Ōhi‘a trees are one of very few native plants that dominate the forests of Hawai‘i. They are currently threatened by a fungal disease which is quickly spreading across the island, Rapid ‘Ōhi‘a Death. This picture shows an ‘Ōhi‘a tree covered in bright red lehua flowers in the Kahuka unit of Hawai‘i Volcanoes National Park.
‘Ōhi‘a trees are one of very few native plants that dominate the forests of Hawai‘i. They are currently threatened by a fungal disease which is quickly spreading across the island, Rapid ‘Ōhi‘a Death. This picture shows an ‘Ōhi‘a tree covered in bright red lehua flowers in the Kahuka unit of Hawai‘i Volcanoes National Park.
An Endangered Puaiohi (Small Mountain Thrush) in Hawaii
Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai'i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
Many species of Hawaiian honeycreepers have persisted into the 20th century because high elevation rain forests on the islands of Kaua’i, Maui, and Hawai'i are cool enough to limit transmission of introduced avian malaria (Plasmodium relictum).
Aerial photograph of Laysan Island, Hawaii
An aerial photograph of Laysan Island, Hawaii, part of the Papahanaumokuakea Marine National Monument.
An aerial photograph of Laysan Island, Hawaii, part of the Papahanaumokuakea Marine National Monument.
The last sheath-tailed bat photo
This photo of a Pacific sheath-tailed bat is the last good photo of this bat from Aguiguan in existence.
This photo of a Pacific sheath-tailed bat is the last good photo of this bat from Aguiguan in existence.
Plants at Kahuku unit in Hawai‘i Volcanoes National Park
A myriad of plants can be seen from above in this photograph taken at the Kahuku Unit of Hawai‘i Volcanoes National Park. Acquired in 2009, the Kahuku Unit of Hawai‘i Volcanoes National Park has been an area that multiple USGS PIERC researchers study in, including Dr. Steven C.
A myriad of plants can be seen from above in this photograph taken at the Kahuku Unit of Hawai‘i Volcanoes National Park. Acquired in 2009, the Kahuku Unit of Hawai‘i Volcanoes National Park has been an area that multiple USGS PIERC researchers study in, including Dr. Steven C.
Hawaiian Hoary Bat
A Hawaiian Hoary fits in the palm of one's hand.
A Hawaiian Hoary fits in the palm of one's hand.
Pair of nene goose standing in the grass
Nene geese are the state birds of Hawai‘i and endangered species. Their populations were threatened by invasive predators including rats, cats, and mongoose. The USGS aided in the recovery of nene on Hawai‘i Island through population monitoring and movement patterns.
Nene geese are the state birds of Hawai‘i and endangered species. Their populations were threatened by invasive predators including rats, cats, and mongoose. The USGS aided in the recovery of nene on Hawai‘i Island through population monitoring and movement patterns.