Today there is a new guide, who works very systematically. He makes a list of all the species I haven't seen yet, hundreds of them. He concludes that he can find as many as 50 new species for me. That seems impossible to me, and it turns out to be so. He does find a rare mountain antwit, where the male and female show themselves.
Common marmoset
Gewoon penseelaapje
Callithrix jacchus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/800 sec at F4.5, ISO 5000, distance 8.99 m
The photo shows a Common marmoset (Callithrix jacchus). It is a animal in the order Primates and the family Callitrichidae. The photo was taken at Morro Frio (Cachoeiras de Macacu, Rio de Janeiro, Brazil, 49 m) at 07:11 on Thursday September 17, 2026.
Southern house-wren
Zuidelijke winterkoning
Troglodytes musculus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/500 sec at F4.5, ISO 5000, distance 10.0 m
The photo shows a Southern house-wren (Troglodytes musculus). It is a bird in the order Passeriformes and the family Troglodytidae. The photo was taken at Morro Frio (Cachoeiras de Macacu, Rio de Janeiro, Brazil, 49 m) at 07:11 on Thursday September 17, 2026.
White-collared swift
Witkraaggierzwaluw
Streptoprocne zonaris
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/4000 sec at F7.1, ISO 500, distance 93.5 m
The photo shows a White-collared swift (Streptoprocne zonaris). It is a bird in the order Apodiformes and the family Apodidae. The photo was taken at Campo Redondo (São Pedro da Aldeia, Rio de Janeiro, Brazil, 7 m) at 09:14 on Thursday September 17, 2026.
Common moorhen
Waterhoen
Gallinula chloropus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/2000 sec at F5.0, ISO 500, distance 70.0 m
The photo shows a Common moorhen (Gallinula chloropus). It is a bird in the order Gruiformes and the family Rallidae. The photo was taken at Campo Redondo (São Pedro da Aldeia, Rio de Janeiro, Brazil, 7 m) at 09:23 on Thursday September 17, 2026.
Common waxbill
Sint-helenafazantje
Estrilda astrild
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1250, distance 15.1 m
The photo shows a Common waxbill (Estrilda astrild). It is a bird in the order Passeriformes and the family Estrildidae. The photo was taken at Campo Redondo (São Pedro da Aldeia, Rio de Janeiro, Brazil, 6 m) at 09:31 on Thursday September 17, 2026.
White-backed stilt
Zuid-amerikaanse steltkluut
Himantopus melanurus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1000, distance 24.5 m
The photo shows a White-backed stilt (Himantopus melanurus). It is a bird in the order Charadriiformes and the family Recurvirostridae. The photo was taken at Campo Redondo (São Pedro da Aldeia, Rio de Janeiro, Brazil, 7 m) at 09:39 on Thursday September 17, 2026.
Art
iPhone 16 Pro with iPhone 16 Pro back triple camera 6.765mm f/1.78, 1/3145 sec at F1.8, ISO 80
By the coast, someone has gone wild with decorations on a small tree stump.
The photo was taken at Campo Redondo (São Pedro da Aldeia, Rio de Janeiro, Brazil, 8 m) at 09:43 on Thursday September 17, 2026.
Chestnut-capped blackbird
Bruinkaptroepiaal
Chrysomus ruficapillus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1000, distance 40.0 m
The photo shows a Chestnut-capped blackbird (Chrysomus ruficapillus). It is a bird in the order Passeriformes and the family Icteridae. The photo was taken at Gamboa (Cabo Frio, Rio de Janeiro, Brazil, 5 m) at 09:48 on Thursday September 17, 2026.
Yellow-crowned night heron
Geelkruinkwak
Nyctanassa violacea
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1250, distance 57.5 m
The photo shows a Yellow-crowned night heron (Nyctanassa violacea). It is a bird in the order Pelecaniformes and the family Ardeidae. The photo was taken at Ogiva (Cabo Frio, Rio de Janeiro, Brazil, 8 m) at 10:08 on Thursday September 17, 2026.
White-cheeked pintail
Bahamapijlstaart
Anas bahamensis
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 500, distance 33.0 m
The photo shows a White-cheeked pintail (Anas bahamensis). It is a bird in the order Anseriformes and the family Anatidae. The photo was taken at Ogiva (Cabo Frio, Rio de Janeiro, Brazil, 10 m) at 10:08 on Thursday September 17, 2026.
Grey-headed gull
Grijskopmeeuw
Chroicocephalus cirrocephalus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/3200 sec at F6.3, ISO 500, distance 63.8 m
The photo shows a Grey-headed gull (Chroicocephalus cirrocephalus). It is a bird in the order Charadriiformes and the family Laridae. The photo was taken at Gamboa (Cabo Frio, Rio de Janeiro, Brazil, 5 m) at 10:28 on Thursday September 17, 2026.
Roseate spoonbill
Rode lepelaar
Platalea ajaja
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/3200 sec at F6.3, ISO 500, distance 50.5 m
The photo shows a Roseate spoonbill (Platalea ajaja). It is a bird in the order Pelecaniformes and the family Threskiornithidae. The photo was taken at Gamboa (Cabo Frio, Rio de Janeiro, Brazil, 5 m) at 10:29 on Thursday September 17, 2026.
Kelp gull
Kelpmeeuw
Larus dominicanus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/3200 sec at F6.3, ISO 500, distance 88.5 m
The kelp gull was so common that the guide didn't stop for a good photo.
The photo shows a Kelp gull (Larus dominicanus). It is a bird in the order Charadriiformes and the family Laridae. The photo was taken at Gamboa (Cabo Frio, Rio de Janeiro, Brazil, 5 m) at 10:30 on Thursday September 17, 2026.
Guira cuckoo
Guirakoekoek
Guira guira
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F5.0, ISO 500, distance 17.6 m
The photo shows a Guira cuckoo (Guira guira). It is a bird in the order Cuculiformes and the family Cuculidae. The photo was taken at Gamboa (Cabo Frio, Rio de Janeiro, Brazil, 5 m) at 10:35 on Thursday September 17, 2026.
Serra antwren ♂
Bergmiersluiper
Formicivora littoralis
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 4000, distance 7.52 m
The photo shows a Serra antwren (Formicivora littoralis). It is a bird in the order Passeriformes and the family Thamnophilidae. The photo was taken at Arraial do Cabo, Rio de Janeiro, Brazil (7 m) at 11:28 on Thursday September 17, 2026.
Serra antwren ♀
Bergmiersluiper
Formicivora littoralis
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1600, distance 6.20 m
The photo shows a Serra antwren (Formicivora littoralis). It is a bird in the order Passeriformes and the family Thamnophilidae. The photo was taken at Arraial do Cabo, Rio de Janeiro, Brazil (7 m) at 11:28 on Thursday September 17, 2026.
Hangnest tody-tyrant
Groenrugtodietiran
Hemitriccus nidipendulus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 5000, distance 7.37 m
The photo shows a Hangnest tody-tyrant (Hemitriccus nidipendulus). It is a bird in the order Passeriformes and the family Tyrannidae. The photo was taken at Arraial do Cabo, Rio de Janeiro, Brazil (7 m) at 11:40 on Thursday September 17, 2026.
Lemon-chested greenlet
Citroenborstvireo
Hylophilus thoracicus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1600, distance 11.8 m
The photo shows a Lemon-chested greenlet (Hylophilus thoracicus). It is a bird in the order Passeriformes and the family Vireonidae. The photo was taken at Arraial do Cabo, Rio de Janeiro, Brazil (6 m) at 11:56 on Thursday September 17, 2026.
Through the dunes
iPhone 16 Pro with iPhone 16 Pro back triple camera 6.765mm f/1.78, 1/4167 sec at F1.8, ISO 80
Behind the dunes is a small road where the guide knows special birds can be found.
The photo was taken at Arraial do Cabo, Rio de Janeiro, Brazil (8 m) at 12:08 on Thursday September 17, 2026.
Brazilian teal
Amazonetaling
Amazonetta brasiliensis
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 500, distance 48.7 m
The photo shows a Brazilian teal (Amazonetta brasiliensis). It is a bird in the order Anseriformes and the family Anatidae. The photo was taken at Arraial do Cabo, Rio de Janeiro, Brazil (3 m) at 12:26 on Thursday September 17, 2026.
Magnificent frigatebird ♀
Amerikaanse fregatvogel
Fregata magnificens
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F5.0, ISO 500, distance 161 m
The photo shows a Magnificent frigatebird (Fregata magnificens). It is a bird in the order Suliformes and the family Fregatidae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 2 m) at 13:34 on Thursday September 17, 2026.
Greater yellowlegs
Grote geelpootruiter
Tringa melanoleuca
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 500, distance 61.1 m
The photo shows a Greater yellowlegs (Tringa melanoleuca). It is a bird in the order Charadriiformes and the family Scolopacidae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 2 m) at 13:45 on Thursday September 17, 2026.
Zoutpannen
iPhone 16 Pro with iPhone 16 Pro back triple camera 15.66mm f/2.8, 1/687 sec at F2.8, ISO 50
In the salt pans, it is always a good search for sandpipers. The windmills appear to be replaced regularly; otherwise, they operate in the proven classic manner.
The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 2 m) at 13:48 on Thursday September 17, 2026.
Zoutpannen
iPhone 16 Pro with iPhone 16 Pro back triple camera 6.765mm f/1.78, 1/3279 sec at F1.8, ISO 80
The photo was taken at 13:51 on Thursday September 17, 2026.
Semipalmated plover
Amerikaanse bontbekplevier
Charadrius semipalmatus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/2000 sec at F5.0, ISO 500, distance 25.4 m
The photo shows a Semipalmated plover (Charadrius semipalmatus). It is a bird in the order Charadriiformes and the family Charadriidae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 4 m) at 13:56 on Thursday September 17, 2026.
White-backed stilt ♂
Zuid-amerikaanse steltkluut
Himantopus melanurus
OM-1 Mark II with OLYMPUS M.150-400mm F4.5, 1/1600 sec at F4.5, ISO 1600, distance 17.6 m
The photo shows a White-backed stilt (Himantopus melanurus). It is a bird in the order Charadriiformes and the family Recurvirostridae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 4 m) at 14:01 on Thursday September 17, 2026.
Lesser yellowlegs
Kleine geelpootruiter
Tringa flavipes
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 800, distance 20.2 m
The photo shows a Lesser yellowlegs (Tringa flavipes). It is a bird in the order Charadriiformes and the family Scolopacidae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 4 m) at 14:08 on Thursday September 17, 2026.
Yellowish pipit
Gele pieper
Anthus lutescens
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 1250, distance 6.73 m
The photo shows a Yellowish pipit (Anthus lutescens). It is a bird in the order Passeriformes and the family Motacillidae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 5 m) at 14:21 on Thursday September 17, 2026.
Black skimmer
Amerikaanse schaarbek
Rynchops niger
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 1000, distance 145 m
The photo shows a Black skimmer (Rynchops niger). It is a bird in the order Charadriiformes and the family Laridae. The photo was taken at Salinas (Praia Seca, Araruama, Rio de Janeiro, Brazil, 5 m) at 14:35 on Thursday September 17, 2026.
Snowy egret
Amerikaanse kleine zilverreiger
Egretta thula
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 800, distance 9.4 m
The photo shows a Snowy egret (Egretta thula). It is a bird in the order Pelecaniformes and the family Ardeidae. The photo was taken at Praia Seca, Araruama, Rio de Janeiro, Brazil (3 m) at 14:55 on Thursday September 17, 2026.
Grassland sparrow
Graslandgors
Ammodramus humeralis
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 3200, distance 6.63 m
The photo shows a Grassland sparrow (Ammodramus humeralis). It is a bird in the order Passeriformes and the family Emberizidae. The photo was taken at Praia Seca, Araruama, Rio de Janeiro, Brazil (4 m) at 15:02 on Thursday September 17, 2026.
Plain-breasted ground dove
Dwergduif
Columbina minuta
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 5000, distance 27.6 m
The photo shows a Plain-breasted ground dove (Columbina minuta). It is a bird in the order Columbiformes and the family Columbidae. The photo was taken at Praia Seca, Araruama, Rio de Janeiro, Brazil (5 m) at 15:07 on Thursday September 17, 2026.
Chestnut-vented conebill ♂
Roodbuikspitssnavel
Conirostrum speciosum
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1250 sec at F5.6, ISO 5000, distance 8.06 m
The photo shows a Chestnut-vented conebill (Conirostrum speciosum). It is a bird in the order Passeriformes and the family Thraupidae. The photo was taken at Praia Seca, Araruama, Rio de Janeiro, Brazil (5 m) at 15:25 on Thursday September 17, 2026.
Blond-crested woodpecker
Blondkuifspecht
Celeus flavescens
OM-1 Mark II with OLYMPUS M.150-400mm F4.5 TC, 1/1600 sec at F5.6, ISO 2000, distance 14.9 m
The photo shows a Blond-crested woodpecker (Celeus flavescens). It is a bird in the order Piciformes and the family Picidae. The photo was taken at Praia Seca, Araruama, Rio de Janeiro, Brazil (5 m) at 15:37 on Thursday September 17, 2026.