scholarly journals Balance between site fidelity and habitat preferences in colony site selection by herons and egrets

2017 ◽  
Vol 48 (7) ◽  
pp. 965-975 ◽  
Author(s):  
Luis Carrasco ◽  
Yukihiko Toquenaga ◽  
Miyuki Mashiko
Keyword(s):  
Site Selection ◽  
Site Fidelity ◽  
Habitat Preferences ◽  
Colony Site

scholarly journals Diurnal Studies do not Predict Nocturnal Habitat Choice and Site Selection of European Golden-Plovers (Pluvialis Apricaria and Northern Lapwings (Vanellus Vanellus)

The Auk ◽  
2005 ◽  
Vol 122 (4) ◽  
pp. 1249-1260 ◽  
Author(s):  
Simon Gillings ◽  
Robert J. Fuller ◽  
William J. Sutherland
Keyword(s):  
Site Selection ◽  
Feeding Activity ◽  
Habitat Preferences ◽  
Habitat Choice ◽  
Ranging Behavior ◽  
Nocturnal Feeding ◽  
Vanellus Vanellus ◽  
Arable Farmland ◽  
Mixed Species Flocks ◽  
Almost All

Abstract Many species, including shorebirds, feed during both day and night, yet little is known about how this affects behavior and habitat preferences. European Golden-Plovers (Pluvialis apricaria) and Northern Lapwings (Vanellus vanellus) feeding on arable farmland were more widely dispersed at night: nocturnal flocks were smaller, typically monospecific, and occurred in many more fields than diurnal mixed-species flocks. Diurnal numbers of European Golden-Plovers could not be used to predict nocturnal numbers; this indicates that ranging behavior differed between day and night. For both species, nocturnal feeding was recorded on almost all nights, irrespective of moon phase. Northern Lapwing nocturnal feeding activity decreased with increasing cloud cover and decreasing ground temperature, but no clear relationships were detected between European Golden-Plovers’ nocturnal feeding activity and environmental variables. Habitat selection differed between day and night, and between species at night. Diurnal studies of habitat choice and site selection may misrepresent the full requirements of such species. Los Estudios Diurnos no Predicen la Preferencia Nocturna de Hábitat ni la Selección Nocturna de Sitio en Pluvialis apricaria y Vanellus vanellus

scholarly journals Habitat selection and foraging site fidelity in Caspian Terns (Hydroprogne caspia) breeding in the Baltic Sea

Ornis Fennica ◽  
2022 ◽  
Vol 98 (4) ◽  
pp. 182-141
Author(s):  
Martin Beal ◽  
Patrik Byholm ◽  
Ulrik Lötberg ◽  
Tom J. Evans ◽  
Kozue Shiomi ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Breeding Season ◽  
Site Fidelity ◽  
Population Change ◽  
Habitat Preferences ◽  
Foraging Strategies ◽  
Widespread Species ◽  
Management Actions ◽  
Caspian Terns ◽  
Foraging Site

Habitat preferences and foraging strategies affect population-level space use and are therefore crucial to understanding population change and implementing spatial conservation and management actions. We investigated the breeding season habitat preference and foraging site fidelity of the under-studied and threatened, Baltic Sea population of Caspian Terns (Hydroprogne caspia). Using GPS devices, we tracked 20 adult individuals at two breeding colonies, in Sweden and Finland, from late incubation through chick-rearing. Analyzing foraging movements during this period, we describe trip characteristics for each colony, daily metrics of effort, habitat use, and foraging site fidelity. We found that daily time spent away from the colony increased throughout the season, with colony-level differences in terms of distance travelled per day. In general, terns selected shallow waters between 0–5 meters in depth with certain individuals using inland lakes for foraging. We show, for the first time, that individual Caspian Terns are faithful to foraging sites throughout the breeding season, and that individuals are highly repeatable in their strategies regarding foraging site fidelity. These results fill important knowledge gaps for this at-risk population, and extend our general knowledge of the breeding season foraging ecology of this widespread species.

Using Scale, Cover Type and GIS to Evaluate Nuisance Cattle Egret Colony Site Selection

Waterbirds ◽  
2012 ◽  
Vol 35 (1) ◽  
pp. 56-63 ◽  
Author(s):  
Michael L. Parkes ◽  
Miguel A. Mora ◽  
Rusty A. Feagin
Keyword(s):  
Site Selection ◽  
Cover Type ◽  
Cattle Egret ◽  
Scale Cover ◽  
Colony Site

Colony Site Selection by Eared Grebes in Minnesota

1993 ◽  
Vol 16 (1) ◽  
pp. 28 ◽  
Author(s):  
Janet S. Boe
Keyword(s):  
Site Selection ◽  
Colony Site
Sign in / Sign up

Export Citation Format

Share Document