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CHEKE, A.S., PROBST, J.M. 2020. An old record reclassified: The first record of a Knot Calidris canutus in Mauritius in 1974 cannot be confirmed and is reconsidered as C. canutus/tenuirostris (indeterminate Knot species). Données Naturalistes Animalières, 26: 87.

  • Independent Researcher
  • Nature et Patrimoine

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An old record reclassified: The first record of a Knot Calidris canutus in Mauritius in 1974 cannot be confirmed and is reconsidered as C. canutus/tenuirostris (indeterminate Knot species).
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... reported Roseate Terns, max 17 on 10 March 1974, ASC saw none, and no-one else reported this species from Mer/Terre Rouge until 2010 * originally identified by ASC as Red Knot C.canutus, but regarded as provisional bySafford & Basque (2007), and the species omitted from the Mauritius checklist inHawkins et al. (2015); reassessed as Knot sp. byCheke & Probst (2020) ; a Red Knot was been seen in the Seychelles in 2012(Skerrett et al 2017) **Temple (1976) recorded this as 'Golden Plover' P.dominica, before the species complex was split into 3 *** SAT told ASC in November 1973 that he had seen a Redshank at Mer Rouge on 19/11, but there is no mention of this in his paper(Temple 1976); both redshank species (T.totanus & T.erythropus) are known from the granitic Seychelles, but not otherwise recorded from the Mascarenes(Hawkins et al. 2015) **** Excludes resident species: heron & moorhen @ Bird ringing visit 27/1 at night, no total count; numbers in curly brackets are numbers ringed (further birds ringed on 14/2 added as '+x'); without brackets, birds seen on partial count 29/1 ; a Common Tern carrying a ring from elsewhere was seen but not caught @@ These species are hard to separate in the field; the plovers in non-breeding plumage are safely distinguished only if both species can be seen together, and the terns in non-breeding plumage only if the extent of black in the primaries can be adequately assessed $ Species only seen 11/73 & 11/74 by SAT at Fort William/Les Salines mudflats (southern side of Port Louis harbour, pre-reclamation), included in list for to complete migrant wader list; recorded also at Terre Rouge in 2012 (Appendix table 2) $$ 1 Jan 1975 at Fort William/Les Salines by ASC ♪ Madagascar Pratincole G.ocularis is also on the Mauritian list(Hawkins et al 2015), but there are no records in the last 50 years. ♪♪ The 16 on 13/12/89 was not included in Probst 1995b as a maximum, where 12 is cited, suggesting it was an error ♪♪♪ 75 Ringed Plovers when there are no other counts above 4 looks like a transcription error for another species ...
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Comparing counts at the Rivulet Terre Rouge estuary from 2010-19 with those from 1989-93, numbers of Curlew Sandpiper Calidris ferruginea have declined by c.90% and other waders by 70-75%. The range of species is also less than before. The estuary is silting up, and mangroves Rhizophora and bullrush Typha are invading a significant part of the site. Without remedial action bird numbers will continue to decline. Résumé : Déclin important des effectifs de limicoles sur l'estuaire de l'estuaire de Terre Rouge, un site Ramsar à l'Ile Maurice. La comparaison des comptages effectués pendant 2010-19 à l'estuaire marécageux avec ceux des années 1989-1993 indiquent que les effectifs du Bécasseau cocorli Calidris ferruginea ont chuté d'environ 90%, et les autres limicoles par 70-75%. La gamme des espèces est aussi en diminution. L'estuaire s'envase, et les mangroves à Rhizophora et à massette Typha sont en train d'envahir une partie assez importante du site. Sans intervention, la perte des effectifs continuera. Citation : CHEKE, A.S., BISSESSUR, P. and PROBST, J.M. 2020. The Rivulet Terre Rouge Estuary, a Mauritian Ramsar Site for migrant shorebirds, sees a serious decline in bird numbers over 25 years. Bulletin Phaethon, 51 : 50-63.
L'homme d'aujourd'hui n'a peut-être plus conscience de l'incroyable variété des formes de vie qui l'entourent. Certaines personnes prennent peur devant un minuscule margouillat ou en entendant le cri d'un fouquet. Découvrir ces espèces qui partagent notre habitat, chercher à les reconnaître, c'est apprendre à les respecter. Ce livre est un guide qui nous fait découvrir les animaux de l'île de La Réunion, d'hier et d'aujourd'hui. Il nous permet de nous émerveiller devant la beauté de certains oiseaux, les étonnantes facultés de nombreux migrateurs, l'adaptation et les prouesses de certains animaux. Il nous apprend notre responsabilité vis à vis des espèces disparues, des espèces introduites et insiste sur les espèces endémiques protégées qui constituent un patrimoine naturel unique au monde et que nous devons préserver.
Mention ornithologique modifiée : Calidris canutus/tenuirostris. La Réunion
  • K Abhaya
  • J M Probst
ABHAYA, K., PROBST, J.M. 2002. Mention ornithologique modifiée : Calidris canutus/tenuirostris. La Réunion. Données Naturalistes Animalières, 8 : 58.
Première mention certaine : Calidris tenuirostris (Horsfield, 1821) (Bécasseau d'Anadyr)
  • S Ananda
  • K Abhaya
  • J M Probst
ANANDA, S., ABHAYA, K., PROBST, J.M. 2006. Première mention certaine : Calidris tenuirostris (Horsfield, 1821) (Bécasseau d'Anadyr). La Réunion, Embouchure de la Rivière Saint-Étienne. Données Naturalistes Animalières, 12 : 58.