Captura ocasional per òliba Tyto alba d'escarabats de Sant Joan Polyphylla fullo en una zona d'emergència massiva

Occasional capture by the barn owl Tyto alba of the June beetle Polyphylla fullo in an area of massive emergence. The hunting behaviour of the Barn Owl Tyto alba of June Beetles Polyphylla fullo is hereby described from the finding of a pellet containing a high level of remains of this Coleopteran. The exploitation of this resource appears to be opportunistic and may be caused by the superabundance of this beetle from May to July in the area of S’Albufera known as Ses Puntes

Comportament del puput Upupa epops: Postura d'ales esteses i coll romput

Hoopoe's Upupa epops behaviour: Spreadeagle and broken neck posture. It describes the observation of 2 specimen Hoopoe seen on two separate occasions, close in time. It discusses the purpose of the spreadeagled posture used by this bird. At first sight it appeared that this position indicates the bird was either sunbathing or anting. Sunbathing is used to maintain plumage and a healthy skin, free of parasites. It is believed that anting has an insecticidal purpose. Some authors have described the spreadeagled posture as a possible reaction against predators. On both ocassions, however, it did not appear that the birds were stressed by the presence of predators. Due to the distance from which the observations were made it can not be concluded wether the bird was sunbathing or anting, or using both processes simultaneously

Reproducció accidental de ropit Erithacus rubecula a l'illa de Mallorca

Incidental breeding of Robin Erithacus rubecula in Mallorca. First breeding report of the Robin, Erithacus rubecula, in the Balearic Islands. This species is considered a migrant and an abundant winter visitor to these islands. Since 2002 it has been observed during the breeding season at an area known as Son Pax in Palma. In 2004 a maximum of two birds was observed between 30th April and 14th September. On 3rd April 2005 two birds hatched the previous year (EURING code 5) were trapped using mist-nets, one of which was developing an incubation patch (Patch code 1)(PINILLA, 2000). On 16th July a juvenile (EURING code 3) with a brownish head and back, brownish-yellow spots and a red breast was observed at the same place. This confirmed successful breeding of this species in Mallorca and probably for the region

Recompte hivernal d'aus aquàtiques i limícoles a les Balears, gener 2008

Winter census of Wildfowl and Shorebirds in the Balearic Islands, January 2008. Results of the winter census of Wildfowl and Shorebirds in the Balearics in 2008 are presented. In the year 2008 a total of 25.638 individuals belonging to 58 species were recorded. The results are compared with the average for the last 17 years. This shows an increase in almost all the groups in Mallorca except Podicipediformes and Phoenicopteriformes, and a recovery in the number of waders compared with 200. There was a marked decrease of Pelecaniformes (Great Cormorant, Phalacrocorax carbo) and Gruiformes (Common coot Fulica atra) in Menorca and a marked decrease of Flamingos Phoenicopterus roseus in the Pitiuses, as well as a decrease in the number of blacknecked greebes Podiceps nigricollis in Formentera

Recompte hivernal d'aus aquàtiques i limícoles a les Balears, gener 2007

Winter census of Wildfowl and Shorebirds in the Balearic Islands, January 2007. Results of the winter 2007 census of Wildfowl and Shorebirds in the Balearics are given. In 2007 a total of 21,623 individuals of 61 species were recorded. The results are compared with the average for the last 16 years. This shows a decrease in almost all the groups in Mallorca except ducks, a marked decrease of Pelecaniformes (Great Cormorant, Phalacrocorax carbo) and Charadriformes in Menorca and a marked decrease of Flamingos Phoenicopterus roseus in the Pitiyusics, as well as a slight increase in numbers of Black-necked grebes Podiceps nigricollis in Formentera