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Day
1. Caracas - Mérida.
Arrival at Maiquetía International Airport, Caracas. Transfer
to Mérida. Reception by Tour Leader. Hotel registration. Personal
introduction of tourists and guides with comments on respective interest.
Slide show of sites and species that you will most probably get to know
in the survey.
Day 2. Mérida - Maracaibo lake.
The team will head to southern area of Maracaibo lake, the largest
lake in South America and main axis of oil industry in Venezuela. We will
navigate within mangrove coves, where there is a dense population of red
howler monkey (Alouatta senicula). Capuchin monkeys (Cebus)
are also possible to observe. A varied array of bird communities are also
conspicuous, including Amazon Parrots, Chestnut fronted Macaws, large Rhamphastos
toucans, and one of the rarest birds in Venezuela, the Northern Screamer(Chauna
chavaria). It is quite a guarantee to see estuarine Dolphins(Sotalia
fluviatilis) playing close to us. Even much rarer, but not impossible
would be to see the Caribbean Manatee (Trichechus manatus),
one of the most endangered mammals in the country. Green Iguanas(Iguana
iguana) are going to be faithful companions during all visits to the
lowlands. At night, in an additional boat trip we will see how nocturnal
life takes over. This is time to see Caimans(Caiman crocodylus
fuscus), the Mangrove Boa (Corallus ruschenbergerii),
Boa constrictor and endemic frogs as Hyla vigilans.
Day 3. Maracaibo Lake basin.
We will go to an Hacienda in the savanna, used primarily for raising
cattle. In the myriad lagoons, we will be able to easily see
two
species of freshwater turtles, one endemic to Maracaibo basin, Rhinoclemys
diademata, and the other that is widespread in the Neotropics, Kinosternon
scorpioides. A further species is also endemic to a localized lagoon area
nearby, but it is a rare sight, Phrynops zuliae. In the savanna there is
also Red footed Tortoise, Geochelone carbonaria, but it is progressively
becoming rarer due to uncontrolled human poaching. Water Snakes in the
genus Helicops as well as other serpents typical of the savanna are easy
to observe: Mastigodryas, Liophis melanotus, Spilotes pullatus, Oxybelis
aeneus, Imantodes cenchoa, Leptodeira annulata, as well as Iguanas, Ameiva
and Cnemidophorus lizards, diurnal Gonatodes Geckos... among many other
reptiles. At night, and around human housings, you can be surprised to
see the largest Gecko in America, Thecadactylus rapicauda, and a variety
of Anurans, Bufo marinus, B. granulosus, Hyla crepitans, H. microcephala,
Phrynohyas venulosa, Leptodactylus bolivianus, Pseudopaludicola pusilla,
the endemic Pipa parva, as well as adults and huge tadpoles of Pseudis
paradoxa. The zone is also home of other hard to find amphibians, like
Ceratophrys calcarata, and the Caecilian Nectocaecilia haydeeae.
Day 4. Maracaibo basin-Andes.
Now it will be time to survey the aluvial zone of the Chama river,
where we could find Basilisks lizards (Basiliscus basiliscus), and
perhaps Cocodrylus acutus. Perhaps this is also the finest place to see
South American otter, (Lontra longicaudis). Afterwards, we will
move to an important migratory pass for birds that come from or return
to North America, where it is possible to see, at the appropriate time,
thousands of birds belonging to hundreds of species. This is the habitat
of one of the largest and most beautiful Tarantula species in the Neotropics,
(Xenestis
monstrosa). Later, we will ascend to the Andes, where we will witness
the transition into the cloud forest at 1400 metres. At night we will search
for frogs like Hyla minuta, H. luteoocellata, H. crepitans; and Atractus
snakes. With some luck we will see Onycophorans, Peripatus the living arthropod
fossil, under logs, stones and debris.
Day
5. Andes.
In the morning, we will continue herping. Back to Mérida, we
will stop in a Colonial Hacienda, where we will learn ancestral techniques
for the processing of coffee, a long time important economical item of
the region. Riding back into the Andes, through the arid valley of the
Chama river, we will stop to see local herps, within the forest of huge
Candlestick Cacti. There, Micrurus meridensis is a worthful finding, although
Drymarchon corais melanurus, Pseudoboa neuwiedii, Crotalus sp., Green Iguanas,
Ameiva bifrontata and Cnemidophorus lizards make up the pretty fauna of
the region. Also, this is a site where Tamandua anteater (Tamandua mexicana)
is not particularly rare to see. Finally, we will overnight at the peaceful
and picturesque Mérida, the Andean capital city lying below perennial
snow capped mountain peaks surpassing 5000 metres (15000 ft).
Day 6. Andes
Visit to Teleférico de Mérida, the longest (12 ½
Kms) and highest (4765 m) cable car in the world. During the ascent, it
is possible to see four different types of ecosystems:
1. Cloud forest, 2. Dwarf high altitude forest, 3. Páramo,
and 4. Andean nival belt. Once at the summits, we will trek for Páramo
recognition. Back to Mérida. Off duty afternoon for free-will activities
(shopping, cinema, salsa and merengue dancing ...). Facultative herping
in a nearby pristine cloud forest, where local species are worthy: Hyla
jahni, Eleutherodactylus vanadisae, Gastrotheca nicefori and some glass-frogs
(Centrolene and Hyalinobatrachium).
Day 7. Andes
Depart to explore the Andean cloud forest, habitat of
Andean Salamander Bolitoglossa orestes, among other herps. We will continue
to Páramo environment, where walking silently alongside enchanted
and beautiful glacial lagoons, where Páramo Rabbits (Sylvilagus
brasiliensis meridanus) and Andean deer (Odocoileus goudotti)
thrive. This is the habitat of frogs highly adapted to cold weather, namely
Eleutherodactylus ginesi (an evolutionary convergent of high tepuian Bufonid
in the genus Oreophrynella), E. lancinii, Colostethus leopardalis and Atelopus
mucubajiensis. This last species, as well as all Venezuelan Harlequin Toads,
has suffered severe population declines, to the point, where no one has
reported any living animal in the past five years, thus scientific community
fears that this species has become extinct. One of our goals will be to
systematically survey the area, with the hope to rediscover and report
it.
Day 8. Andes.
We will continue our exploration in the Páramo, paying particular
attention to the decomposing matter of Espeletias (Rosette-like bush with
oblong leafs covered with plenty cotton-like coating, native to high altitude
Andes in Venezuela south to Ecuador). Within these, several amphibians
takes refugee, and also Microteiids Anadia lizards. Later in the day, we
will take a chance to visit the Andean Condor (Vultur gryphus) reintroduction
and conservation facilities, and we will explore its habitat to admire
the magnificent and majestic flight of the largest flying bird of the world.
Day 9. Andes
During the morning we will freshen up ourselves to recover energies,
while bathing in a hot spring with magnificent views. Back on duty, torrents
rivers will flank us along the road, stopping to see an endangered bird,
the Torrent Duck (Merganetta armata colombiana). A splendid cloud
forest will be the stage to see one of the Neotropical most magnificent
spectacle, the nuptial display of fiery red Andean Cock-of-the Rock (Rupicola
peruviana). Herps are also abundant here and it is possible to find
Micrurus mipartitus, Erythroplamprus bizona, Lampropeltis triangulum andesina...
We will witness the abundance of the diurnal dendrobatid Mannophryne collaris.
Day 10. Andes, Llanos
Visit to a natural pool for bathing, but the place is magnificent for
diurnal herps. For those who looking for tougher adventures, there is an
optional rafting trip (not included in price). Our landscape changes from
mountains to flat lands, visiting again savanna realms, but drastically
different from the previous. This is the show piece of Los Llanos, an extensive
floodable territory of nearly 180.000 Km2 (in Venezuela only, since it
extends into Colombia). Some anurans are very abundant, notably Bufo marinus,
B. granulosus, Pleurodema brachyops, H. microcephala, Leptodactylus macrosternum...
Day 11. Andes
We will ascent back again the Andes through a different gorge, reaching
the Páramo, this time in search of Eleutherodactylus boconoensis,
Colostethus humilis and several Centrolenids. A Colonial town will receive
us for overnight.
Day
12. Andes
A survey of the type locality of Aromobates nocturnus will offer the
opportunity to see the largest Dendrobatid known to date (Myers et al.,
1991). This is unique among this anuran family since it is nocturnal, aquatic,
large, spells out a strong odor, and has developed webbing on the rear
limbs’ feet. It is thought that this species is facing similar problems
as other declining amphibians, so we will try to study this case. We will
search during the day and night.
Day 13. Andes
We will continue to the terra typical of Atelopus chrysocorallus, perhaps
the most striking species in the genus from Venezuela (green with yellow
and red), which is also facing threatening of extinction. We will search
at daytime. Optional frogging at night.
Day 14-16. Western Llanos.
Once again to the lowlands, we will head to a floodable rain forest,
where anuran diversity is high (more than 25 species), highlighted by Phyllomedusa
tarsius, P. hypocondryalis, Hyla lanciformis, Hyla boans, Lithodytes lineatus,
Elachistocleis ovalis, Pipa pipa; and also of Amazonian-like reptiles such
as Corallus hortulanus, C. caninus, Boa constritor, Epicrates cenchria
maurus, several Colubrids, Bothrops venezuelensis and Coral snakes. This
area deserves at least two days for intense exploring.
Day 17. Llanos
We will be on the road and stop at an Hato (Cattle Ranch) where we
will rest and herp at night.
Day 18-22. Llanos
The Llanos is one of South America's most animal - concentrated habitat,
and it is comparable to some places in Africa (although lacking the crowded
populations of large mammals). We will share our duties with the Llaneros,
a sort of Venezuelan Cowboys. We will horse ride, and perhaps help them
with their day to day affairs, like herding cattle or even to count Capybaras.
Our fauna companions will be the numerous species of aquatic and raptor
bird life, sometimes having visits by approachable Giant Anteaters (Myrmecophaga
tridactyla). In some shallow lagoons, we will be able to see at night
the glowing eyes of Spectacled Caymans
(Caiman c. crocodylus) with
the aid of flashlights. Several chelonians are also found within rivers
and marshes, including the bizarre Mata-Mata
(Chelus fimbriatus),
Sidenecks (Podocnemis vogli and P. unifilis) and Arraus (P. expansa)
which were common in the past. The largest and most impressive snake lives
here, the Anaconda (Eunectes murinus gigas). We will search and
manipulate them and take magnificent photographs. During some spare time,
fishing is plenty and delightful, having the opportunity to take some for
meal, including bass (Cichla), catfish (Siluridae) and fierce
piranha (Serrasalmus). Rivers are home of freshwater Sting Rays
(Potamotrygon)
and Electric Eels (Electrophorus electricus), which local inhabitants
fear far more than piranhas. On boat rides, colorful birds are a comon
sight, of which Scarlet Ibises and Rose Spoonbills will be a sure bet.
The legendary and playful river dolphins (Inia geoffrensis) will
be periodical companions, and with some luck, the shout of Giant Otters
(Pteronura brasiliensis) will put some noise in the air. Other animals
that can be seen with relative ease are Howlers
(Alouatta), Capucin
monkeys (Cebus), Agoutis (Dasyprocta), Arboreal Anteaters
(Tamandua tetradactyla), Foxes (Cerdocyon thous), White Tailed Deers
(Odocoileus
virginianus), Chgüires (Hydrochoerus hydrochaeris), and
with luck, Ocelots (Leopardus pardalis) or Yaguaroundi (Herpailurus
yaguarondi), and even more a Puma (Puma concolor) or Jaguar
(Panthera
onca).
Day 23. Llanos-Caracas-Origin
Farewell meeting. Flight to Caracas and origin.
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ARASSARI TREK
- V.T. 2256
Raquel & Tom Evenou
Final calle 24, 8-301. Mérida - Venezuela
Tel /Fax : ++58
(0274) 2525879 Cel.
(0414) 7463569
E-Mail: info@arassari.com
ó arassari@telcel.net.ve