Westchester County Wildlife Guide - Wildlife Field Guide

Ecosystem Overview

The Westchester County ecosystem supports 77 documented wildlife species across 72 taxonomic genera. Located in Westchester County, New York, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While City of Yonkers nearby has 4% more documented species, Westchester County offers unique wildlife observation opportunities.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Species Distribution

Very Common16 species

Common23 species

Occasional23 species

Rare15 species

Regional Context

vs. City of Yonkers

-4% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

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Most Common Species

Showing 20 most frequently observed species out of 77 total documented species.

Artemisia vulgaris

Mugwort

Very Common2,861.99 obs.

Ficaria verna

Pilewort

Very Common1,552.44 obs.

Sciurus carolinensis

Gray Squirrel

Very Common591.46 obs.

Alliaria petiolata

Hedge Garlic

Very Common579.52 obs.

Rubus phoenicolasius

Wineberry

Very Common528.2 obs.

Toxicodendron radicans

Poison Ivy

Common514.53 obs.

Turdus migratorius

American Robin

Common489.98 obs.

Ageratina altissima

Richweed

Common384.35 obs.

Celastrus orbiculatus

Staffvine

Common351.57 obs.

Cardinalis cardinalis

Common Cardinal

Common350.81 obs.

Persicaria virginiana

Jumpseed

Common329.94 obs.

Prunus serotina

Rum Cherry

Occasional313.97 obs.

Ailanthus altissima

Ailanthus

Occasional312.19 obs.

Liquidambar styraciflua

Sweet Gum

Occasional309 obs.

Baccharis halimifolia

Baccharis

Occasional306.15 obs.

Symplocarpus foetidus

Polecatweed

Occasional292.42 obs.

Liriodendron tulipifera

Tuliptree

Occasional289.31 obs.

Rosa multiflora

Baby Rose

Rare286.25 obs.

Branta canadensis

Canada Goose

Rare279.78 obs.

Asclepias syriaca

Silkweed

Rare276.96 obs.

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Most Common Species

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Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Species Distribution

Very Common16 species

Common23 species

Occasional23 species

Rare15 species

Regional Context

vs. City of Yonkers

-4% species diversity

Most Common Species

Showing 20 most frequently observed species out of 77 total documented species.

Artemisia vulgaris

Mugwort

Very Common2,861.99 obs.

Ficaria verna

Pilewort

Very Common1,552.44 obs.

Sciurus carolinensis

Gray Squirrel

Very Common591.46 obs.

Alliaria petiolata

Hedge Garlic

Very Common579.52 obs.

Rubus phoenicolasius

Wineberry

Very Common528.2 obs.

Toxicodendron radicans

Poison Ivy

Common514.53 obs.

Turdus migratorius

American Robin

Common489.98 obs.

Ageratina altissima

Richweed

Common384.35 obs.

Celastrus orbiculatus

Staffvine

Common351.57 obs.

Cardinalis cardinalis

Common Cardinal

Common350.81 obs.

Persicaria virginiana

Jumpseed

Common329.94 obs.

Prunus serotina

Rum Cherry

Occasional313.97 obs.

Ailanthus altissima

Ailanthus

Occasional312.19 obs.

Liquidambar styraciflua

Sweet Gum

Occasional309 obs.

Baccharis halimifolia

Baccharis

Occasional306.15 obs.

Symplocarpus foetidus

Polecatweed

Occasional292.42 obs.

Liriodendron tulipifera

Tuliptree

Occasional289.31 obs.

Rosa multiflora

Baby Rose

Rare286.25 obs.

Branta canadensis

Canada Goose

Rare279.78 obs.

Asclepias syriaca

Silkweed

Rare276.96 obs.

Want the Complete Field Guide?

Get all 77 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.