{"id":13913,"date":"2021-08-20T17:53:04","date_gmt":"2021-08-20T14:53:04","guid":{"rendered":"https:\/\/atlas.bspb.org\/vidove\/great-bittern\/"},"modified":"2021-11-13T18:56:22","modified_gmt":"2021-11-13T16:56:22","slug":"great-bittern","status":"publish","type":"vidove","link":"https:\/\/atlas.bspb.org\/en\/species\/great-bittern\/","title":{"rendered":"Great Bittern"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.9.0&#8243; custom_padding=&#8221;0px||0px||true|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.9.0&#8243; _dynamic_attributes=&#8221;content&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;||4px||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF90aXRsZSIsInNldHRpbmdzIjp7ImJlZm9yZSI6IjxoMT4iLCJhZnRlciI6IjwvaDE+In19@[\/et_pb_text][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.9.7&#8243; text_font=&#8221;||on||||||&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;](Botaurus stellaris)[\/et_pb_text][et_pb_text _builder_version=&#8221;4.9.10&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p><b><i>Category of conservation concern (IUCN, 2020) &#8211; Least Concern<\/i><\/b><\/p>\n<p><b><i>Population size: <\/i><\/b><span style=\"font-weight: 400;\">2020: 52 &#8211; 88 pairs (2007: 20 \u2013 70 pairs)<\/span><\/p>\n<p><b><i>Distribution pattern<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400;\">A rare breeding species with a small population. Breeds all over the country in various water bodies overgrown with reeds or rushes. Most of the established breeding sites are in the Upper Thracian Plain, the Tundzha Plain and along the Danube River, but the highest density of the species is registered in the Dragoman Marsh and the Aldomirovo Marsh in Sofia District. Along the Black Sea coast, it is very uncommon as a breeding species. In some years with unfavourable conditions (low or too high water levels) has not inhabited some of the localities.\u00a0<\/span><\/p>\n<p><b>Population estimation for the period 2013 &#8211; 2020:<\/b> <span style=\"font-weight: 400;\">During the period 2013-2020, the species has not been found in 22 squares, where it was recorded before the year 2013. Deterioration of the habitats explain their disappearance, but in most such squares, the species has been found with low degree of reliability for breeding. New breeding sites have been established in 10 squares.<\/span><\/p>\n<p><b>Population size in Special Protection Areas of Natura 2000:<\/b><span style=\"font-weight: 400;\"> 30 &#8211; 51 current males (57% of the population). A large part of the population, near various reed-covered reservoirs and fishponds, in the Thracian Plain is not included in the Natura-2000 network. The highest numbers are found in the <\/span><span style=\"font-weight: 400;\">Special Protection<\/span><span style=\"font-weight: 400;\"> Areas \u201cRayanovtsi\u201d (8 &#8211; 15 males), \u201cKalimok Complex\u201d (3 &#8211; 8 males) and \u201cSrebarna\u201d (2 &#8211; 4 males).<\/span><\/p>\n<p>[\/et_pb_text][et_pb_code _builder_version=&#8221;4.9.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<iframe loading=\"lazy\" width=\"100%\" height=\"600px\" src=\"https:\/\/gis.bspb.org\/maps\/36\/embed\" name=\"iframe_geonode\">Your browser does not support iframe.<\/iframe><!-- [et_pb_line_break_holder] --><pee><a href=\"https:\/\/gis.bspb.org\/maps\/36\/embed\">Big size map<\/a><\/pee>[\/et_pb_code][et_pb_text _builder_version=&#8221;4.9.11&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;||on||||||&#8221; text_font_size=&#8221;15px&#8221; text_line_height=&#8221;1.3em&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<strong>Breeding distribution 2013 \u2013 2020<\/strong> \u2013 The distribution and the estimation of the population size of the species for the period 2013 \u2013 2020 is presented \u2013 <span class=\"map-text yellow\"><\/span><\/p>\n<p><strong>Comparative distribution of the species<\/strong> compared to the first breeding birds atlas (Iankov, 2007): Breeding locality until 2007 <span class=\"map-text red\"><\/span> | Breeding locality until 2007, confirmed after 2015 \u2013 <span class=\"map-text green\"><\/span> | New breeding locality after 2015. \u2013 <span class=\"map-text blue\"><\/span> The breeding localities after 2015 are identified on a base of raw data from <a href=\"https:\/\/smartbirds.org\">smartbirds.org<\/a>.[\/et_pb_text][et_pb_text _builder_version=&#8221;4.9.10&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p><b><i>Habitats<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400;\">Breeds in marshes and non-marine waters, in water fringe vegetation, giving preference to extensive wet reed beds, partly submerged (up to 30 \u0441m) and with surface not less than 20 ha. Of crucial importance is the existence of standing fresh waters or standing brackish waters, at the periphery of which is their forage habitat.<\/span><\/p>\n<p><b>Trends in population changes for the period 2013-2020<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p><b>Short-term trend of population size:<\/b><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Stable<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><b>Long-term trend of population size:<\/b><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Increasing<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><b>Short-term trend of distribution:<\/b><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Stable<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><b>Long-term trend of distribution:<\/b><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Increasing<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Threats<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Drainage of wetlands, changes in the water level of water bodies during the breeding season, disturbance from anglers, poaching.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">Petar Shurulinkov, Svilen Chesmedjiev, Vladimir Mladenov<\/span><\/i><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.9.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][dipi_masonry_gallery images=&#8221;12049,12051,12047&#8243; caption_in_lightbox=&#8221;on&#8221; use_overlay=&#8221;on&#8221; use_thumbnails=&#8221;on&#8221; image_size_desktop=&#8221;medium&#8221; image_size_tablet=&#8221;medium&#8221; image_size_phone=&#8221;medium&#8221; admin_label=&#8221;Pixel Masonry Gallery&#8221; _builder_version=&#8221;4.13.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; overlay_bg_color__hover_enabled=&#8221;on|hover&#8221; sticky_enabled=&#8221;0&#8243;][\/dipi_masonry_gallery][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"featured_media":12050,"parent":0,"template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","wds_primary_letter":0},"letter":[183],"class_list":["post-13913","vidove","type-vidove","status-publish","has-post-thumbnail","hentry","letter-g"],"_links":{"self":[{"href":"https:\/\/atlas.bspb.org\/en\/wp-json\/wp\/v2\/vidove\/13913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/atlas.bspb.org\/en\/wp-json\/wp\/v2\/vidove"}],"about":[{"href":"https:\/\/atlas.bspb.org\/en\/wp-json\/wp\/v2\/types\/vidove"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/atlas.bspb.org\/en\/wp-json\/wp\/v2\/media\/12050"}],"wp:attachment":[{"href":"https:\/\/atlas.bspb.org\/en\/wp-json\/wp\/v2\/media?parent=13913"}],"wp:term":[{"taxonomy":"letter","embeddable":true,"href":"https:\/\/atlas.bspb.org\/en\/wp-json\/wp\/v2\/letter?post=13913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}