Observations

Updated every hour
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
18th May 2025
7:46 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
17th May 2025
7 p.m.
Corredor pedonal ribeirinho de Valbom
Gondomar, Porto
João Carvalho
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
11th May 2025
11:44 a.m.
Farol de Felgueiras
Porto, Porto
Francisco Pires
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
11th May 2025
11:22 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
20
Black-headed Gull
Chroicocephalus ridibundus
20, Black-headed GullChroicocephalus ridibundus
10th May 2025
7:07 p.m.
Cantareira
Porto, Porto
aywxbaes
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
10th May 2025
7:46 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
8th May 2025
10:34 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
5th May 2025
10:02 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
6
Black-headed Gull
Chroicocephalus ridibundus
6, Black-headed GullChroicocephalus ridibundus
5th May 2025
9 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
michael carmody
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
4th May 2025
12:42 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
4th May 2025
11:25 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
8
Black-headed Gull
Chroicocephalus ridibundus
8, Black-headed GullChroicocephalus ridibundus
3rd May 2025
10:59 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
1st May 2025
2:11 p.m.
Rio Leça--Parque da Ciência
Matosinhos, Porto
Patrícia Carvalho
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
30th Apr 2025
9:37 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Giuseppe Vecchio
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
30th Apr 2025
7:53 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
15
Black-headed Gull
Chroicocephalus ridibundus
15, Black-headed GullChroicocephalus ridibundus
29th Apr 2025
9 a.m.
Praia do Paraíso
Matosinhos, Porto
Colin Foreman
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
29th Apr 2025
7:45 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
28th Apr 2025
7:01 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Francisco Pires
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
27th Apr 2025
7:31 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
26th Apr 2025
4:58 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Ana Catarina
3
Black-headed Gull
Chroicocephalus ridibundus
3, Black-headed GullChroicocephalus ridibundus
24th Apr 2025
6:50 a.m.
NF44_4
Gondomar, Porto
Ricardo Borges
3
Black-headed Gull
Chroicocephalus ridibundus
3, Black-headed GullChroicocephalus ridibundus
23rd Apr 2025
7:33 p.m.
Ribeira
Porto, Porto
Ken Hartman
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
13th Apr 2025
6:26 p.m.
Rua do Ouro 550–614, Porto
Porto, Porto
Jerry Hampton
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
13th Apr 2025
4:57 p.m.
Ribeira
Porto, Porto
Francisco Gómez-Prieto
33
Black-headed Gull
Chroicocephalus ridibundus
33, Black-headed GullChroicocephalus ridibundus
13th Apr 2025
10:40 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Jessé Roy-Drainville
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
13th Apr 2025
8:15 a.m.
Estuário do Ave
Vila do Conde, Porto
Associação Pé Ante Pé
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
13th Apr 2025
8:15 a.m.
Estuário do Ave
Vila do Conde, Porto
Pedro Martins
8
Black-headed Gull
Chroicocephalus ridibundus
8, Black-headed GullChroicocephalus ridibundus
12th Apr 2025
11:06 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Rui Miguel Brito
8
Black-headed Gull
Chroicocephalus ridibundus
8, Black-headed GullChroicocephalus ridibundus
12th Apr 2025
11:06 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
José Marques Moreira
3
Black-headed Gull
Chroicocephalus ridibundus
3, Black-headed GullChroicocephalus ridibundus
12th Apr 2025
10:21 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Francisco Pires
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
12th Apr 2025
9:45 a.m.
Foz do Rio Onda
Matosinhos, Porto
Joao Freitas
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
10th Apr 2025
2 p.m.
R. Douro
Porto, Porto
Richard Pathak
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
10th Apr 2025
7 a.m.
Ponta de Santo André - Póvoa de Varzim
Póvoa de Varzim, Porto
Jorge Araújo da Silva
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
9th Apr 2025
10:02 a.m.
Estuário do Ave
Vila do Conde, Porto
José Nunes
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
7th Apr 2025
11:54 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
6th Apr 2025
3:17 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Rui Miguel Brito
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
6th Apr 2025
3:17 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
José Marques Moreira
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
6th Apr 2025
7:48 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
5th Apr 2025
10:29 a.m.
Foz do Rio Onda
Matosinhos, Porto
Luís Santos
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
5th Apr 2025
7:50 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
2nd Apr 2025
9:15 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Paulo Leite
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
1st Apr 2025
12:10 p.m.
Foz do Rio Onda
Matosinhos, Porto
Francisco Pires
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
1st Apr 2025
10:46 a.m.
Estuário do Ave
Vila do Conde, Porto
Francisco Pires
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
1st Apr 2025
10:03 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
15
Black-headed Gull
Chroicocephalus ridibundus
15, Black-headed GullChroicocephalus ridibundus
30th Mar 2025
6:56 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Miguel Carvalho
13
Black-headed Gull
Chroicocephalus ridibundus
13, Black-headed GullChroicocephalus ridibundus
29th Mar 2025
7:11 p.m.
Avenida Ramos Pinto 710, Vila Nova de Gaia
Vila Nova de Gaia, Porto
Savannah Stallings
11
Black-headed Gull
Chroicocephalus ridibundus
11, Black-headed GullChroicocephalus ridibundus
29th Mar 2025
2:46 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
29th Mar 2025
7:47 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
28th Mar 2025
3:05 p.m.
Foz do Rio Onda
Matosinhos, Porto
Francisco Pires
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
23rd Mar 2025
5:02 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Susana Bilber
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
23rd Mar 2025
5:02 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Rui Ferreira
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
23rd Mar 2025
12:17 p.m.
Estuário do Ave
Vila do Conde, Porto
José Nunes
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
23rd Mar 2025
10:07 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
11
Black-headed Gull
Chroicocephalus ridibundus
11, Black-headed GullChroicocephalus ridibundus
23rd Mar 2025
10:01 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Ana Amaral
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
23rd Mar 2025
9 a.m.
Parque da Cidade da Póvoa de Varzim
Póvoa de Varzim, Porto
Joao Freitas
3
Black-headed Gull
Chroicocephalus ridibundus
3, Black-headed GullChroicocephalus ridibundus
22nd Mar 2025
7:36 p.m.
14 Rua de Cima do Muro, Porto
Porto, Porto
Jamie Crossley
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
22nd Mar 2025
2:40 p.m.
Parque da Cidade do Porto
Porto, Porto
Paulo Belo
7
Black-headed Gull
Chroicocephalus ridibundus
7, Black-headed GullChroicocephalus ridibundus
22nd Mar 2025
11 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
21st Mar 2025
12:09 p.m.
Francemar
Vila Nova de Gaia, Porto
Francisco Pires
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
20th Mar 2025
11:29 a.m.
Estuário do Ave
Vila do Conde, Porto
José Nunes
6
Black-headed Gull
Chroicocephalus ridibundus
6, Black-headed GullChroicocephalus ridibundus
20th Mar 2025
10:52 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Francisco Pires
6
Black-headed Gull
Chroicocephalus ridibundus
6, Black-headed GullChroicocephalus ridibundus
20th Mar 2025
10:47 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
6
Black-headed Gull
Chroicocephalus ridibundus
6, Black-headed GullChroicocephalus ridibundus
20th Mar 2025
9:57 a.m.
Corredor pedonal ribeirinho de Valbom
Gondomar, Porto
Joel Neves
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
19th Mar 2025
2:25 p.m.
Praia do Castelo do Queijo
Porto, Porto
Fabian Rosing
6
Black-headed Gull
Chroicocephalus ridibundus
6, Black-headed GullChroicocephalus ridibundus
19th Mar 2025
11:49 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
12
Black-headed Gull
Chroicocephalus ridibundus
12, Black-headed GullChroicocephalus ridibundus
19th Mar 2025
8:54 a.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Max Westphal
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
18th Mar 2025
1 p.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
18th Mar 2025
11:23 a.m.
Estuário do Ave
Vila do Conde, Porto
José Nunes
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
18th Mar 2025
11:23 a.m.
Estuário do Ave
Vila do Conde, Porto
Francisco Pires
10
Black-headed Gull
Chroicocephalus ridibundus
10, Black-headed GullChroicocephalus ridibundus
18th Mar 2025
9:31 a.m.
Jardim do Passeio Alegre
Porto, Porto
Max Westphal
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
17th Mar 2025
11:37 a.m.
Foz do Rio Onda
Matosinhos, Porto
José Nunes
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
17th Mar 2025
11:19 a.m.
Praia do Paraíso
Matosinhos, Porto
José Nunes
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
17th Mar 2025
10:45 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Joel Neves
13
Black-headed Gull
Chroicocephalus ridibundus
13, Black-headed GullChroicocephalus ridibundus
16th Mar 2025
2:56 p.m.
316 Rua São Vicente de Ferrer, São Félix da Marinha
Vila Nova de Gaia, Porto
Vorobyova Ekaterina
13
Black-headed Gull
Chroicocephalus ridibundus
13, Black-headed GullChroicocephalus ridibundus
16th Mar 2025
2:56 p.m.
316 Rua São Vicente de Ferrer, São Félix da Marinha
Vila Nova de Gaia, Porto
ALIAKSANDR VARABYOU
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
16th Mar 2025
7:59 a.m.
Avenida D Pedro IV 436–496, Perafita
Matosinhos, Porto
Patrícia Carvalho
23
Black-headed Gull
Chroicocephalus ridibundus
23, Black-headed GullChroicocephalus ridibundus
15th Mar 2025
11:10 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Francisco Pires
15
Black-headed Gull
Chroicocephalus ridibundus
15, Black-headed GullChroicocephalus ridibundus
15th Mar 2025
10:11 a.m.
Parque da Cidade da Póvoa de Varzim, Amorim
Póvoa de Varzim, Porto
José Gomes
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
15th Mar 2025
10:08 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Gonçalo Vieira
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
15th Mar 2025
7:42 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
14th Mar 2025
6:02 p.m.
Estuário do Ave
Vila do Conde, Porto
João Teixeira
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
14th Mar 2025
4:23 p.m.
Farol de Felgueiras
Porto, Porto
Francisco Pires
6
Black-headed Gull
Chroicocephalus ridibundus
6, Black-headed GullChroicocephalus ridibundus
14th Mar 2025
3:42 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Francisco Pires
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
12th Mar 2025
12:11 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Francisco Pires
2
Black-headed Gull
Chroicocephalus ridibundus
2, Black-headed GullChroicocephalus ridibundus
12th Mar 2025
11:19 a.m.
Praia do Paraíso
Matosinhos, Porto
José Nunes
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
11th Mar 2025
1:18 p.m.
Estuário do Douro--Observatório de Aves FAPAS/APDL
Porto, Porto
Sara Cressman
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
11th Mar 2025
10:37 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Joel Neves
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
11th Mar 2025
6:44 a.m.
Parque oriental da cidade
Porto, Porto
Francisco Pereira
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
11th Mar 2025
6:44 a.m.
Parque oriental da cidade
Porto, Porto
Rui Miguel Brito
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
11th Mar 2025
6:44 a.m.
Parque oriental da cidade
Porto, Porto
Pedro Andrade
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
11th Mar 2025
6:44 a.m.
Parque oriental da cidade
Porto, Porto
Ricardo Vieira
15
Black-headed Gull
Chroicocephalus ridibundus
15, Black-headed GullChroicocephalus ridibundus
10th Mar 2025
5 p.m.
Estuário do Ave
Vila do Conde, Porto
Vasco Flores Cruz
3
Black-headed Gull
Chroicocephalus ridibundus
3, Black-headed GullChroicocephalus ridibundus
9th Mar 2025
11:18 a.m.
Porto de São Pedro da Afurada
Vila Nova de Gaia, Porto
Francisco Pires
10
Black-headed Gull
Chroicocephalus ridibundus
10, Black-headed GullChroicocephalus ridibundus
9th Mar 2025
9:06 a.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Francisco Pires
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
9th Mar 2025
7:49 a.m.
Parque das Varas
Matosinhos, Porto
Patrícia Carvalho
11
Black-headed Gull
Chroicocephalus ridibundus
11, Black-headed GullChroicocephalus ridibundus
8th Mar 2025
1:10 p.m.
RNL Estuário do Douro--área geral
Vila Nova de Gaia, Porto
Miguel Guimaraes
1
Black-headed Gull
Chroicocephalus ridibundus
1, Black-headed GullChroicocephalus ridibundus
8th Mar 2025
1:05 p.m.
Parque da Cidade do Porto
Porto, Porto
Fernando Portillo de Cea
5
Black-headed Gull
Chroicocephalus ridibundus
5, Black-headed GullChroicocephalus ridibundus
8th Mar 2025
9:45 a.m.
Parque da Cidade da Póvoa de Varzim
Póvoa de Varzim, Porto
Hugo Ribeiro
4
Black-headed Gull
Chroicocephalus ridibundus
4, Black-headed GullChroicocephalus ridibundus
8th Mar 2025
8:03 a.m.
Ribeira
Porto, Porto
Jeffrey Ritterson
X
Black-headed Gull
Chroicocephalus ridibundus
X, Black-headed GullChroicocephalus ridibundus
7th Mar 2025
11:39 a.m.
Estuário do Ave
Vila do Conde, Porto
José Nunes
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