Data Zone
The site was identified as internationally important for bird conservation in 2016 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Barnacle Goose Branta leucopsis | LC | non-breeding (2011–2015) | 19,833–38,254 birds | A4i, B1i, C2 |
| Greylag Goose Anser anser | LC | non-breeding (2011–2015) | 32,707–35,403 birds | A4i, B1i, C3 |
| Greater White-fronted Goose Anser albifrons | LC | non-breeding (2011–2015) | 174,473–208,617 birds | A4i, B1i, C3 |
| Smew Mergellus albellus | LC | non-breeding (2011–2015) | 212–287 birds | C6 |
| Common Pochard Aythya ferina | VU | breeding (2011–2015) | 37–45 pairs | A1, B2, C1 |
| Common Pochard Aythya ferina | VU | non-breeding (2011–2015) | 1,482–2,216 birds | A1, C1 |
| Common Pochard Aythya ferina | VU | winter (2011–2015) | 1,385 birds | B2 |
| Northern Shoveler Spatula clypeata | LC | non-breeding (2011–2015) | 959–1,077 birds | B1i, C3 |
| Gadwall Mareca strepera | LC | non-breeding (2011–2015) | 3,269–5,196 birds | B1i, C3 |
| Eurasian Wigeon Mareca penelope | LC | non-breeding (2011–2015) | 21,595–28,342 birds | B1i, C3 |
| Eurasian Wigeon Mareca penelope | LC | winter (2011–2015) | 21,519 birds | B3 |
| European Turtle-dove Streptopelia turtur | VU | breeding (2011–2015) | 15–26 pairs | A1, C1 |
| Corncrake Crex crex | LC | breeding (2011–2015) | 28–76 pairs | C6 |
| Eurasian Coot Fulica atra | LC | winter (2011–2015) | 15,368–22,082 birds | B2 |
| White Stork Ciconia ciconia | LC | breeding (2009–2014) | min 61 pairs | B3, C6 |
| Common Little Bittern Ixobrychus minutus | LC | breeding (2011–2015) | 4–6 pairs | C6 |
| Great White Egret Ardea alba | LC | non-breeding (2011–2015) | 276–367 birds | C6 |
| Eurasian Curlew Numenius arquata | NT | winter (2011–2015) | 1,796 birds | B2 |
| Black Tern Chlidonias niger | LC | breeding (2011–2015) | 236–264 pairs | C6 |
| Osprey Pandion haliaetus | LC | non-breeding (2011–2015) | 12–13 birds | C6 |
| White-tailed Sea-eagle Haliaeetus albicilla | LC | non-breeding (2011–2015) | 4–6 birds | C6 |
| Common Kingfisher Alcedo atthis | LC | breeding (2011–2015) | 41–73 pairs | B2, C6 |
| Peregrine Falcon Falco peregrinus | LC | non-breeding (2011–2015) | 13–15 birds | C6 |
| Marsh Warbler Acrocephalus palustris | LC | breeding (2011–2015) | 1,030–1,362 pairs | B3 |
| Common Grasshopper-warbler Locustella naevia | LC | breeding (2011–2015) | 95–117 pairs | B3 |
| Bluethroat Luscinia svecica | LC | breeding (2011–2015) | 260 pairs | C6 |
| A4iii Species group - waterbirds | n/a | non-breeding (2011–2015) | 267,047–320,381 birds | A4iii, C4 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2016. The most recent assessment (2018) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2018 | not assessed | high | medium |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | unset | medium | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Human intrusions and disturbance | happening now | most of population/area (50–90%) | slow decline (1–10% over 3 generations) | high |
| Transportation and service corridors | likely in short term (<4 years) | whole of population/area (>90%) | slow decline (1–10% over 3 generations) | high |
| Residential and commercial development | likely in short term (<4 years) | some of population/area (10–49%) | moderate decline (10–30% over 3 generations) | medium |
| Climate change and severe weather | happening now | most of population/area (50–90%) | no or slight decline (<1% over 3 generations) | low |
| Natural system modifications | happening now | some of population/area (10–49%) | no or slight decline (<1% over 3 generations) | low |
| Invasive and other problematic species and genes | happening now | some of population/area (10–49%) | no or slight decline (<1% over 3 generations) | low |
| Agricultural expansion and intensification | happening now | few individuals/small area (<10%) | no or slight decline (<1% over 3 generations) | low |
| Energy production and mining | likely in short term (<4 years) | few individuals/small area (<10%) | no or slight decline (<1% over 3 generations) | low |
| Pollution | likely in short term (<4 years) | few individuals/small area (<10%) | no or slight decline (<1% over 3 generations) | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Whole area (>90%) covered by appropriate conservation designation | A management plan exists, but it is out of date or not comprehensive | Some limited conservation initiatives are in place | medium |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rijntakken (Netherlands). Downloaded from
https://datazone.birdlife.org/site/factsheet/rijntakken-iba-netherlands on 23/12/2024.