Town Of Cortlandt

Ecosystem Overview

The Town Of Cortlandt ecosystem supports 100 documented wildlife species across 93 taxonomic genera. Located in Westchester County, New York, this area provides critical habitat with diverse natural communities. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #4 for species diversity among 52 Westchester County County natural areas, placing it in the 92th percentile for biodiversity.

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 52 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#4 of 52 locations

92th percentile for diversity

vs. Yonkers

0% 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 100 total documented species.

Bombus bimaculatus

Two-Spotted Bumble Bee

Very Common14 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common8 obs.

Bombus griseocollis

Brown-belted Bumblebee

Very Common7 obs.

Melospiza melodia

Song Sparrow

Very Common6 obs.

Spizelloides arborea

American Tree Sparrow

Very Common5 obs.

Branta canadensis

Canada goose

Common5 obs.

Apis mellifera

Western Honey Bee

Common4 obs.

Cathartes aura

Turkey Vulture

Common3 obs.

Passer domesticus

House Sparrow

Common3 obs.

Bombus impatiens

Common Eastern Bumblebee

Common3 obs.

Buteo jamaicensis

Red-tailed Hawk

Common3 obs.

Pseudacris crucifer

Spring Peeper

Occasional3 obs.

Anaxyrus fowleri

fowler's toad

Occasional3 obs.

Sturnus vulgaris

starling

Occasional3 obs.

Baeolophus bicolor

tufted titmouse

Occasional2 obs.

Bombycilla cedrorum

cedar waxwing

Occasional2 obs.

Corvus ossifragus

fish crow

Occasional2 obs.

Larus delawarensis

Ring-billed Gull

Rare2 obs.

Colaptes auratus

common flicker

Rare2 obs.

Lithobates clamitans

Green Frog

Rare2 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

100

Species Count

+96%

vs. Regional Average

Compared to 8 nearby locations in Westchester County County, New York

Nearby Natural Areas

Yonkers

Importance: 0.52

100 species

0% vs. current

Westchester County

Importance: 0.51

100 species

0% vs. current

White Plains

Importance: 0.46

61 species

+64% vs. current

New Rochelle

Importance: 0.46

73 species

+37% vs. current

Peekskill

Importance: 0.44

50 species

+100% vs. current

Mount Vernon

Importance: 0.42

2 species

+4900% vs. current

Tarrytown

in Town Of Greenburgh

Importance: 0.41

15 species

+567% vs. current

Scarsdale

Importance: 0.41

10 species

+900% 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 Westchester 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

100

Species Count

+96%

vs. Regional Average

Compared to 8 nearby locations in Westchester County County, New York

Nearby Natural Areas

Yonkers

Importance: 0.52

100 species

0% vs. current

Westchester County

Importance: 0.51

100 species

0% vs. current

White Plains

Importance: 0.46

61 species

+64% vs. current

New Rochelle

Importance: 0.46

73 species

+37% vs. current

Peekskill

Importance: 0.44

50 species

+100% vs. current

Mount Vernon

Importance: 0.42

2 species

+4900% vs. current

Tarrytown

in Town Of Greenburgh

Importance: 0.41

15 species

+567% vs. current

Scarsdale

Importance: 0.41

10 species

+900% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 52 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#4 of 52 locations

92th percentile for diversity

vs. Yonkers

0% species diversity

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Bombus bimaculatus

Two-Spotted Bumble Bee

Very Common14 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common8 obs.

Bombus griseocollis

Brown-belted Bumblebee

Very Common7 obs.

Melospiza melodia

Song Sparrow

Very Common6 obs.

Spizelloides arborea

American Tree Sparrow

Very Common5 obs.

Branta canadensis

Canada goose

Common5 obs.

Apis mellifera

Western Honey Bee

Common4 obs.

Cathartes aura

Turkey Vulture

Common3 obs.

Passer domesticus

House Sparrow

Common3 obs.

Bombus impatiens

Common Eastern Bumblebee

Common3 obs.

Buteo jamaicensis

Red-tailed Hawk

Common3 obs.

Pseudacris crucifer

Spring Peeper

Occasional3 obs.

Anaxyrus fowleri

fowler's toad

Occasional3 obs.

Sturnus vulgaris

starling

Occasional3 obs.

Baeolophus bicolor

tufted titmouse

Occasional2 obs.

Bombycilla cedrorum

cedar waxwing

Occasional2 obs.

Corvus ossifragus

fish crow

Occasional2 obs.

Larus delawarensis

Ring-billed Gull

Rare2 obs.

Colaptes auratus

common flicker

Rare2 obs.

Lithobates clamitans

Green Frog

Rare2 obs.

Want the Complete Field Guide?

Get all 100 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.