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Henslow's Sparrow

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Henslow's Sparrow

Scientific Name: Ammodramus henslowii

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation800
Regional/ContinentalInformation800
Regional SARInformation90
Sub-regional/National SARInformation1

Global

1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.

Regional/Continental

1% of the regional/continental population estimate.

Regional SAR

This threshold is static and standardized: Passeriformes (e.g. perching/songbirds) = 90 individuals (or 30 pairs); non-Passeriformes = 30 individuals (or 10 pairs). Only species listed by the IUCN as Vulnerable are presently eligible.

Sub-regional/National SAR

The sub-regional/national SAR threshold = 1% of the COSEWIC population estimate for the region (provinces/territories) in which the species is listed as being at risk. This threshold is used to identify trigger species and IBAs under criterion C1.

Point Pelee (ON006)
Number Year Season
12017Spring
12016Spring
12015Spring
1 - 22014Spring
12013Spring
12012Spring
12011Spring
12010Spring
12009Spring
12007Spring
12004Spring
12002Spring
1 - 21999Spring
1 - 61997Spring
1 - 111996Spring
11990Spring
161986Spring
Carden Alvar (ON040)
Number Year Season
12012Summer
12009Summer
12007Spring
12006Summer
12005Summer
12001Summer
31994Summer
Amherst Island (ON062)
Number Year Season
21985Summer
Cabot Head (ON099)
Number Year Season
21995Summer
Eastern Lake St. Clair (ON012)
Number Year Season
12003Summer
21986Summer
Luther Marsh (ON059)
Number Year Season
21985Summer
21935Summer
Napanee Limestone Plain (ON152)
Number Year Season
12002Summer
12001Summer
11998Summer
11996Summer
1 - 21995Summer
11992Summer
11990Summer
Prince Edward County South Shore (ON003)
Number Year Season
11998Fall
21975Spring
Big Piskwanish Point (ON140)
Number Year Season
12009Summer
Greater Rondeau Area (ON007)
Number Year Season
11997Spring
Long Point Peninsula and Marshes (ON001)
Number Year Season
12011Spring
12004Fall
11993Spring
Longridge Point & Associated Coastline (ON124)
Number Year Season
12009Summer
Norfolk Forest Complex (ON009)
Number Year Season
12005Spring
Pei lay sheesh kow (ON157)
Number Year Season
12009Summer
Pelee Island Natural Areas (ON013)
Number Year Season
12011Spring
11997Summer
??Spring
Southwest Elgin Forest Complex (ON048)
Number Year Season
12015Spring
12014Spring