Introduction - New Jersey Audubon Society

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2013 • Find more roosts! • Monitor the 8 known roosts – Ideally, weekly starting in June-July and biweekly once they are active – Try spring monitoring at largest roosts? • Roosts are occupied more sparsely in spring
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Heron and Egret Surveys 2013 Citize
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Citizen Science • Through Citizen
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Shorebird Surveys Ongoing
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Nightjar Surveys Northeast Coordina
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Heron Surveys
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NJA Heron Survey Objectives • To
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What is a colony? • Breeding aggr
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Harbor Heron Breeding Colonies (Roo
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Harbor Heron Feeding Areas • Bird
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Where do birds from each island go
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Where do birds from each island go
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Where do they go?? • Counts at fo
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Survey Sites NJA (2008-2012) • 45
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Non-nesting habitat use • What ar
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2012 28 NJA and 15 NYCA volunteers
Page 45 and 46: Using surveys of foraging areas as
Page 47 and 48: Total # of GREG Observed Abundance
Page 49 and 50: 12 km 3 km
Page 51 and 52: Temporal changes • Changes in sit
Page 53 and 54: 80 Seasonal use of all sites - 2010
Page 55 and 56: 35 Seasonal use by Great Egrets in
Page 57 and 58: 2013 Activities • “Harbor Heron
Page 59 and 60: What is an ‘Autumnal Roost’?
Page 61 and 62: Photo by Allen Woodliffe
Page 64 and 65: Methods: Monitoring • Based on Ch
Page 66 and 67: Foraging Birds
Page 69 and 70: Thanks to the NYC and NJ Audubon vo
Page 71 and 72: Species Composition • In addition
Page 73 and 74: Kearny Roost Our largest roost, it
Page 75 and 76: Cheesequake Roost Our 3 rd largest
Page 77 and 78: Reaction to Disturbance Cheesequake
Page 79 and 80: Timing of Roost Entry & Exit
Page 81: Roost monitoring • Liz Vreeland p
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Introduction - New Jersey Audubon Society

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