heavy rains during the evening of Friday made Juan desist from visiting the landfill on Saturday.
On the morning of Saturday, trying to take advantage of these dates of migratory path, Colmenar Viejo entered at 7:45 pm, with thick fog, 6 º C temperature and no wind. Just after 9:00 am the fog lifted.
Although the sky remained almost covered much of the day, only few drops fell at the end of morning. Hard
calculate the figures of gulls, because many of them remained hidden from sight at times of peak traffic. Since then, we see a decrease in the number of copies over the weekend prior (a 6000-8000 equivalent figures dark and laughing), with very noticeable rise percentage of young and immature.
highlight the arrival of black kites and drastic decline in real wintering vultures return to the landfill after its minimal presence in recent weeks.
Gull
With 13 readings banded individuals, including:
De Roland-Jan Buijs : Red
5E New to us.
Stienen Eric De : Blue
hypertension • S
our previous records with 5 in March 2009 and February 2010.
with blue ring Gull HTA ° S in Colmenar Viejo on March 15, 2009 Photo: Dolphin Blue
González
NK · AD
New to us.
With an observation in Torremolinos, Málaga, in December 2010, Dave Murray .
De Peter Stewart: New
Blue HSA for us.
Gunnar T. De Hallgrimsson :
With 2 readings of banded individuals, one of them new to us. Do not cite.
laughing gull
With 4 banded individuals, including:
banders
Of Polish: White
T0EJ
New to us.
Del Tormes Group: Yellow
N174 New for us.
laughing gull with yellow ring N174 at the time of banding in the landfill Gomecello, Salamanca Photo courtesy of Miguel Blanco
With 2 comments at dump Zamora, after ringing early December in Salamanca, by Miguel Blanco .
laughing gull with yellow ring N174, a dumping ground for Zamora, on December 21, 2010 Photo courtesy of Miguel Blanco
Gulls
With two individuals observed an adult and a first winter, with a ring of Serbia, you already know.
Gulls with red ring YJK0, 27 February 2011 in Pinto Photo: Javier Marchamalo
Yellow-legged Gull
with 2-3 copies of the first winter.
black vulture Perched about 6-8 copies, read 3 rings (young?)
Yellow 922, 928, 93M
Griffon
perched about 12-15 copies, one ringed peeled bones in the trash at the last minute , including storks, jackdaws, crows and seagulls. Yellow
FU8
black Milano
With 2 copies present.
White Stork
About 50 copies, reaching more when Juan out of the landfill at 14:15 pm
German: Black-octagonal
DEW 6X952, 7X238 DEW
French:
Anton White, ASZH
Netherlands: Metal
9314, 9931
English:
White B 20, 0WS4, 2CM0, 46HW, 72VC, 7468, 74A1, 7A86, 7NC3, 8427, 8XFA, A06S, FWAN, H10F, X1VX, X47S, X61A
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