Antonelli Pond

Ecosystem Overview

The Antonelli Pond ecosystem supports 39 documented wildlife species across 36 taxonomic genera. Located in Santa Cruz County, California, this area provides critical habitat with diverse natural communities. The location hosts 8 frequently observed species and 7 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Santa Cruz nearby has 61% more documented species, Antonelli Pond offers unique wildlife observation opportunities. This location ranks #4 for species diversity among 15 Santa Cruz County County natural areas, placing it in the 73th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 15 locations

Species Distribution

Very Common8 species

Common12 species

Occasional12 species

Rare7 species

Regional Context

Regional Ranking

#4 of 15 locations

73th percentile for diversity

vs. Santa Cruz

-61% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 39 total documented species.

Fulica americana

American Coot

Very Common6 obs.

Oxyura jamaicensis

Ruddy Duck

Very Common3 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common3 obs.

Elanus leucurus

White-tailed Kite

Very Common2 obs.

Hydra oligactis

brown hydra

Very Common2 obs.

Hydra viridissima

Green Hydra

Common2 obs.

Anas platyrhynchos

mallard

Common2 obs.

No image

Floscularia ringens

Common1 obs.

Philodina megalotrocha

Common1 obs.

Ischnura cervula

Pacific Forktail

Common1 obs.

Lithobates catesbeianus

Common Bullfrog

Common1 obs.

Sylvilagus bachmani

Brush Rabbit

Occasional1 obs.

Trachemys scripta

slider turtle, red-eared terrapin, red-eared slider

Occasional1 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Occasional1 obs.

Calypte anna

Anna's Hummingbird

Occasional1 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Occasional1 obs.

Larus californicus

California Gull

Occasional1 obs.

Aechmophorus occidentalis

Western Grebe

Rare1 obs.

Podilymbus podiceps

Pied-billed grebe

Rare1 obs.

Sitta pygmaea

Pygmy Nuthatch

Rare1 obs.

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Most Common Species

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Antonelli Pond. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

+129%

vs. Regional Average

Compared to 8 nearby locations in Santa Cruz County County, California

Nearby Natural Areas

Santa Cruz

Importance: 0.51

100 species

-61% vs. current

Schwan Lagoon

Importance: 0.35

20 species

+95% vs. current

Two Moon Lake

Importance: 0.35

5 species

+680% vs. current

Moran Lake

Importance: 0.35

4 species

+875% vs. current

Duck Island Pond

Importance: 0.35

3 species

+1200% vs. current

Pinto Lake

Importance: 0.35

3 species

+1200% vs. current

Loch Lomond Reservoir

Importance: 0.35

2 species

+1850% vs. current

Covered Bridge Pond

Importance: 0.35

2 species

+1850% vs. current

About This Comparison

These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Santa Cruz County County.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Regional Comparison

Regional Ranking

Species Count

+129%

vs. Regional Average

Compared to 8 nearby locations in Santa Cruz County County, California

Nearby Natural Areas

Santa Cruz

Importance: 0.51

100 species

-61% vs. current

Schwan Lagoon

Importance: 0.35

20 species

+95% vs. current

Two Moon Lake

Importance: 0.35

5 species

+680% vs. current

Moran Lake

Importance: 0.35

4 species

+875% vs. current

Duck Island Pond

Importance: 0.35

3 species

+1200% vs. current

Pinto Lake

Importance: 0.35

3 species

+1200% vs. current

Loch Lomond Reservoir

Importance: 0.35

2 species

+1850% vs. current

Covered Bridge Pond

Importance: 0.35

2 species

+1850% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 15 locations

Species Distribution

Very Common8 species

Common12 species

Occasional12 species

Rare7 species

Regional Context

Regional Ranking

#4 of 15 locations

73th percentile for diversity

vs. Santa Cruz

-61% species diversity

Most Common Species

Showing 20 most frequently observed species out of 39 total documented species.

Fulica americana

American Coot

Very Common6 obs.

Oxyura jamaicensis

Ruddy Duck

Very Common3 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common3 obs.

Elanus leucurus

White-tailed Kite

Very Common2 obs.

Hydra oligactis

brown hydra

Very Common2 obs.

Hydra viridissima

Green Hydra

Common2 obs.

Anas platyrhynchos

mallard

Common2 obs.

No image

Floscularia ringens

Common1 obs.

Philodina megalotrocha

Common1 obs.

Ischnura cervula

Pacific Forktail

Common1 obs.

Lithobates catesbeianus

Common Bullfrog

Common1 obs.

Sylvilagus bachmani

Brush Rabbit

Occasional1 obs.

Trachemys scripta

slider turtle, red-eared terrapin, red-eared slider

Occasional1 obs.

Sceloporus occidentalis

Pacific blue-bellied lizard

Occasional1 obs.

Calypte anna

Anna's Hummingbird

Occasional1 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Occasional1 obs.

Larus californicus

California Gull

Occasional1 obs.

Aechmophorus occidentalis

Western Grebe

Rare1 obs.

Podilymbus podiceps

Pied-billed grebe

Rare1 obs.

Sitta pygmaea

Pygmy Nuthatch

Rare1 obs.

Want the Complete Field Guide?

Get all 39 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.