Studying invertebrate pollinators in Redwood forests

Studying pollinators in the Redwood forest understory in Santa Cruz.

A springtime meadow in Yosemite National Park.

A springtime meadow in Yosemite National Park.

Students measure out a study plot at Blue Oak Ranch Reserve

Students measure out a study plot at Blue Oak Ranch Reserve

Catching hummingbirds in Coyote Hills Regional Park

A springtime explosion of Lasthenia flowers in the California Channel Islands.

A springtime explosion of Lasthenia flowers in the California Channel Islands.

Using radio telemetry to track tagged hummingbirds in the Ecuadorian Andes.

Using radio telemetry to track tagged hummingbirds in the Ecuadorian Andes.

Blue Oak Ranch pollinator crew

Students collect fecal samples from Anna’s hummingbird on campus.

Students collect fecal samples from Anna’s hummingbird on campus.

Dr. Hazlehurst prepares to release an Anna’s hummingbird after sampling and banding in Coyote Hills Regional Park.

Simulating nectar robbing on inflorescences of Oreocallis grandiflora in the Ecuadorian Andes.

Simulating nectar robbing on inflorescences of Oreocallis grandiflora in the Ecuadorian Andes.

A fascinating parasitic plant, Sarcodes sanguinea in full bloom in the Sierra Nevada mountains. This plant is a favorite food of migratory Calliope hummingbirds!

A fascinating parasitic plant, Sarcodes sanguinea in full bloom in the Sierra Nevada mountains. This plant is a favorite food of migratory Calliope hummingbirds!

allens_annas_crassula_6763.jpg
A hummingbird is released after banding… it flew away right after the photo was taken.

A hummingbird is released after banding… it flew away right after the photo was taken.

Setting up a hummingbird trap in Garin Regional Park

A female Agapostemon (sweat bee) specimen from the California Channel Islands.

A female Agapostemon (sweat bee) specimen from the California Channel Islands.

Studying pollinators in the Redwood understory in Santa Cruz

Red bees from the Redwood forest

Z-stack image of a female Nomada sp. bee (Hymenoptera: Apidae) from the Redwood forests of Santa Cruz. This bee is a kleptoparasite that parasitizes bees of the genus Andrena (Hymenoptera: Andrenidae).

A plant-pollinator visitation network constructed using citizen science data from the Sierra Nevada mountains. The data was submitted on iNaturalist through the California Pollination Project (see home page for link and more information on the proje…

A plant-pollinator visitation network constructed using citizen science data from the Sierra Nevada mountains. The data was submitted on iNaturalist through the California Pollination Project (see home page for link and more information on the project).