Halocyptena microsoma
Oceanodroma microsoma
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderProcellariiformes (Tubenoses)
- FamilyHydrobatidae (Northern Storm-Petrels)
- GenusOceanodroma
- SpeciesOceanodroma microsoma (Halocyptena microsoma)
Closest Relatives at Channel Islands National Park
Leach's Petrel
Oceanodroma leucorhoa
Black Storm-Petrel
Hydrobates melania
Ashy Storm-Petrel
Hydrobates homochroa
Wilson's Storm Petrel
Oceanites oceanicus
Sooty Shearwater
Puffinus griseus
Black-vented Shearwater
Puffinus opisthomelas
Pink-footed Shearwater
Puffinus creatopus
Northern Fulmar
Fulmarus glacialis
Scopoli's Shearwater
Calonectris diomedea
Laysan Albatross
Phoebastria immutabilis
Black-footed Albatross
Phoebastria nigripes
Cook's Petrel
Pterodroma cookii
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica | |
| 2 | Coiba National Park | 🇵🇦 Panama | |
| 3 | Channel Islands National Park | 🇺🇸 United States | |
| 4 | Bahía de Loreto National Park | 🇲🇽 Mexico | |
| 5 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 6 | Marino Ballena National Park | 🇨🇷 Costa Rica | |
| 7 | Manuel Antonio National Park | 🇨🇷 Costa Rica | |
| 8 | Las Baulas Marine National Park | 🇨🇷 Costa Rica | |
| 9 | Darién National Park | 🇵🇦 Panama |
Quick answers
What are the chances of seeing a Halocyptena microsoma in Channel Islands National Park?
About 0% of visitor-days record a Halocyptena microsoma sighting in Channel Islands National Park, based on 33 observer-days of citizen-science data from GBIF.
When is the best time to see Halocyptena microsoma in Channel Islands National Park?
August has the highest sighting rate for Halocyptena microsoma in Channel Islands National Park in our monthly data.