San Joaquin Marsh Reserve supports a rich diversity of wildlife, and community science platforms like iNaturalist help document that biodiversity over time. This page features recent observations of plants, animals, and fungi recorded by students, researchers, and nature enthusiasts.
These observations represent a curated sample of species found at the reserve, including both native and migratory wildlife. For the most complete and up-to-date record of species documented at San Joaquin Marsh Reserve, visit the reserve’s iNaturalist .
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100
Observations
49
Species
23
Observers
All
Birds
Mammals
Reptiles
Amphibians
Plants
Insects
Fungi
Insects
Toxomerus marginatus
Insects
Nymphalis antiopa
Insects
Phloeodes diabolicus
Insects
Nymphalis antiopa
Insects
Nymphalis antiopa
Insects
Cycloneda sanguinea
Insects
Linepithema humile
Insects
Allograpta obliqua
Insects
Toxomerus marginatus
Insects
Toxomerus marginatus
Insects
Sympetrum corruptum
Insects
Murgantia histrionica
Insects
Nymphalis antiopa
Insects
Sympetrum corruptum
Insects
Murgantia histrionica
Insects
Rhopalomyia californica
Insects
Harmonia axyridis
Insects
Murgantia histrionica
Insects
Eristalis stipator
Insects
Eristalis stipator
Insects
Jadera haematoloma
Insects
Jadera haematoloma
Insects
Jadera haematoloma
Insects
Jadera haematoloma
Insects
Jadera haematoloma
Insects
Jadera haematoloma
Insects
Cycloneda sanguinea
Insects
Cycloneda sanguinea
Insects
Cycloneda sanguinea
Insects
Toxomerus marginatus
Insects
Phloeodes diabolicus
Insects
Harmonia axyridis
Insects
Toxomerus marginatus
Insects
Schistocerca nitens
Insects
Libytheana carinenta
Insects
Parasaissetia nigra
Insects
Toxomerus marginatus
Insects
Linepithema humile
Insects
Murgantia histrionica
Insects
Nymphalis antiopa
Insects
Eupeodes volucris
Insects
Paropsis atomaria
Insects
Jadera haematoloma
Insects
Pyrausta inornatalis
Insects
Rhionaeschna multicolor
Insects
Nymphalis antiopa
Insects
Homoeosoma electella
Insects
Rhionaeschna multicolor
Insects
Sympetrum corruptum
Insects
Ceroplastes rusci
Insects
Rhionaeschna multicolor
Insects
Linepithema humile
Insects
Hypocritanus lemur
Insects
Eristalinus taeniops