Abstract
A study was conducted to examine the influence of ecological factors on the foraging habitat selection by wading birds within the coastal plains of Bangladesh from October 2023 to March 2024. A total of 16 wading bird species belonging to 11 genera, 6 families, and 4 orders were recorded during the study period. The shallow water level, abundance of emergent vegetation, and length of their legs were key factors that facilitated independent foraging by all observed wading birds. The foraging depths ranged between 3 cm and 11 cm. Species with shorter legs were typically observed foraging along shallow margins, whereas those with longer legs utilized deeper areas. Among the four study sites, three exhibited similarity in vegetation diversity which corresponded with the preference by wading birds. One site exhibited the highest water depth (2.13 m) and the lowest (12 species) diversity of emergent vegetation. Correspondingly, this site experienced minimal visitation by wading birds. Dietary analysis revealed, food items consumed by the wading birds 73% were of animal origin including phyla Chordata (56.25%), Arthropoda (25%), and Mollusca (18.75%); whereas 27% were plant origin. This study highlights the critical role of ecological variables, particularly foraging depth, water depth, vegetation diversity, and prey availability in determining foraging site selection among wading birds. These findings contribute valuable insights into the habitat requirements of these species and may inform future conservation strategies aimed at preserving wetland ecosystems and their associated avifauna.
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INFLUENCE OF ECOLOGICAL FACTORS ON FORAGING HABITAT SELECTION BY WADERS IN THE COASTAL PLAINS OF BANGLADESH | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 11 July 2025 V1 Latest version Share on INFLUENCE OF ECOLOGICAL FACTORS ON FORAGING HABITAT SELECTION BY WADERS IN THE COASTAL PLAINS OF BANGLADESH Authors : Tanzina Alam 0009-0006-5643-6534 and Sanzida Akter Authors Info & Affiliations https://doi.org/10.22541/au.175219395.54948058/v1 240 views 124 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract A study was conducted to examine the influence of ecological factors on the foraging habitat selection by wading birds within the coastal plains of Bangladesh from October 2023 to March 2024. A total of 16 wading bird species belonging to 11 genera, 6 families, and 4 orders were recorded during the study period. The shallow water level, abundance of emergent vegetation, and length of their legs were key factors that facilitated independent foraging by all observed wading birds. The foraging depths ranged between 3 cm and 11 cm. Species with shorter legs were typically observed foraging along shallow margins, whereas those with longer legs utilized deeper areas. Among the four study sites, three exhibited similarity in vegetation diversity which corresponded with the preference by wading birds. One site exhibited the highest water depth (2.13 m) and the lowest (12 species) diversity of emergent vegetation. Correspondingly, this site experienced minimal visitation by wading birds. Dietary analysis revealed, food items consumed by the wading birds 73% were of animal origin including phyla Chordata (56.25%), Arthropoda (25%), and Mollusca (18.75%); whereas 27% were plant origin. This study highlights the critical role of ecological variables, particularly foraging depth, water depth, vegetation diversity, and prey availability in determining foraging site selection among wading birds. These findings contribute valuable insights into the habitat requirements of these species and may inform future conservation strategies aimed at preserving wetland ecosystems and their associated avifauna. Supplementary Material File (blind manuscript.doc) Download 343.50 KB Information & Authors Information Version history V1 Version 1 11 July 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords diet foraging depth vegetation wading birds water depth Authors Affiliations Tanzina Alam 0009-0006-5643-6534 View all articles by this author Sanzida Akter View all articles by this author Metrics & Citations Metrics Article Usage 240 views 124 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Tanzina Alam, Sanzida Akter. INFLUENCE OF ECOLOGICAL FACTORS ON FORAGING HABITAT SELECTION BY WADERS IN THE COASTAL PLAINS OF BANGLADESH. Authorea . 11 July 2025. DOI: https://doi.org/10.22541/au.175219395.54948058/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . Format Please select one from the list RIS (ProCite, Reference Manager) EndNote BibTex Medlars RefWorks Direct import Tips for downloading citations document.getElementById('citMgrHelpLink').addEventListener('click', function() { popupHelp(this.href); return false; }); $(".js__slcInclude").on("change", function(e){ if ($(this).val() == 'refworks') $('#direct').prop("checked", false); $('#direct').prop("disabled", ($(this).val() == 'refworks')); }); View Options View options PDF View PDF Figures Tables Media Share Share Share article link Copy Link Copied! Copying failed. 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