Category: Field Notes

In June, when the bulk of the spring raptor migration is coming to its end, the birding opportunities around Tarifa, far from decreasing, are excellent. This time, hundreds of Griffons return to Spain after their quest in Africa. Among them, Rüppell’s Vultures arrive. Indeed, this week four of them have been observed at a carcass in the Moroccan side, just ready to cross to Europe.

The sea is full of life, including the Sperm Whales that visit the area in June looking for squid. The passage of Balearic Shearwater peaks in early June. Nonetheless, the counts carried out from Tarifa in previous years has unveiled that the global population of these endangered species is significantly larger than previously estimated.

The famous Bulbuls from Tarifa, the only known pair in the continent, have bred for the third year in a row and the noisy family group is well visible around. Besides, the reintroduced breeding colony of Northern Bald Ibis is full of live. The first chicks of 2015 have already fledged and a new (third) breeding area is being consolidated.

This week has turned out to be excellent for finding Long-legged Buzzards, with no less than 3 different adults in the area, some of them are “Gibraltar Buzzard” types, while others show apparently pure cirtensis phenotype. Will they breed here again? Besides, we are having plenty of fun seeking for dragonflies. Many of the most interesting species of the continent are now on the wing, including: Western Spectre, Pronged Clubtail, Green Hooktail, Orange-spotted Emerald and Splendid Cruiser.

All this and a lot more birding in Tarifa in June!

This weekend, in our visit to the wetlands of Northern Morocco, we had the chance to observe up to 9 Lesser Crested Terns during a boat trip in Merja Zerga.

The Lesser Crested Tern breeds in subtropical coastal parts of the world, mainly from the Red Sea across the Indian Ocean to the western Pacific and Australia, with a single population in the Mediterranean, on two islands off the coast of Libya (Thalasseus bengalensis emigratus).

One of the observed individuals had a white PVC ring evidencing its Libyan origin. This Mediterranean endemic taxa overwinters in the Atlantic coast of North Africa and the Strait of Gibraltar is a regular stopover with most records concentrated in Ceuta and Tarifa, both in spring and autumn. The following link provides a report on the Lesser Crested Tern Libyan ringing scheme, including the picture of a Libyan LC Tern in Tarifa by Yeray Seminario: http://ift.tt/1EjPZhu…

Over the last week we have run two guided visits for seawatching in Tarifa. These included the visit to the “Isla de Las Palomas” in Tarifa, the southernmost tip of the continent. Here the Mediterranean Sea and the Atlantic Ocean meet.

 

The seabirds obervatory at Isla de las Palomas is the best spot to observe seabirds in the Strait of Gibraltar and southern Spain.

 

The access to this (kinf of) isthmus is restricted and requires specific auhtorization.

 

In our recent visits we have managed to meet all our targets. These included  Cory’s Shearwater, Balearic Sheawaters, Atlantic Gannets, Great Skuas. Moreover, we have observed a Marsh Harrier on active migration at water level.

 

 

Late May and June is the best period to observe Balearic Shearwaters in the Stait of Gibraltar. In turn, late October and November offer the largest variety of species. 

 

In Birding The Strait we have a permanent authorization to access the Isla de las Palomas. Remarkabely, we often combine these visits with whalewatching boat trips off Tarifa. Sperm Whales are one of the most fascinating cetaceans to be observed!

 

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