Animals

Visit Cabeceiras includes Montagu’s harrier among Cabreira’s fauna. SPEA describes Circus pygargus as a summer visitor that returns to Portugal in spring to breed. It prefers open spaces, hunts mainly insects and nests on the ground among tall vegetation. The reference covers the mountain range; it does not identify nests or sighting points in the municipality.

Its annual cycle connects continents. The LIFE SOS Pygargus project describes wintering in Africa and a return to the Iberian Peninsula in spring to breed, with birds remaining in breeding territories until September. This general calendar does not set precise arrival or departure dates for Cabreira.

Long, narrow wings and a long, narrow tail are part of the portrait presented by LPN. Its mini-guide includes low mountain scrub among the habitats and mentions nests in cereal fields or tall fallow vegetation. The menu is also broader than insects: it may include birds, small mammals and lizards. A bird of prey in open country therefore depends on both prey and suitable vegetation for nesting on the ground.

Bosca’s newt, Lissotriton boscai, has smoother skin during its aquatic phase and rougher skin during its terrestrial phase. For reproduction, it can use ponds, slow-flowing streams and even water tanks. Out of water it finds shelter in damp places among roots, stones and trunks. Its orange belly explains its Portuguese name, tritão-de-ventre-laranja.

It is mentioned among Cabreira’s amphibians by Vieira do Minho’s municipal website, without an associated observation point.

The University of Évora’s description notes four toes on the front feet and five on the hind feet, as well as a laterally flattened tail. These are species features, not a reason to take the animal out of the water. The same source gives a total length of up to nine centimetres, with females generally larger and more robust than males.

The mating season can change its appearance too. The University of Évora describes a small crest on the tail and, in males, a whitish lengthwise stripe, more marked near the tip. Comparing two images therefore means considering sex and season as well as species name. Not every visible difference means different species.

Diet follows the change of habitat. According to the Charcos com Vida project, larvae and aquatic adults catch small water-dwelling invertebrates; on land, adults mainly eat soft-bodied animals such as earthworms and slugs. The female lays eggs individually on aquatic plants or leaves over several days. The diagram below connects these stages without assigning dates to their occurrence in Cabreira.

The garden warbler, Sylvia borin, has relatively uniform brown plumage and pale underparts. The British Trust for Ornithology profile highlights a song rich in whistled notes and an association with dense scrub and woodland edges. Vieira do Minho’s tourism website mentions the species for Cabreira. These are clues to its identity and habitat, without identifying nests or guaranteeing sightings in the municipality.

The year is not spent in one setting. The BTO describes wintering south of the Sahara. In the United Kingdom, the species is a summer visitor and becomes harder to detect when it stops singing. This helps explain an important observation distinction: hearing fewer birds does not necessarily mean they have all left. British dates are not an arrival calendar for Cabreira.

For reproduction, the BTO profile gives a typical clutch of four to five eggs, with both male and female incubating, generally for 10–12 days. After hatching, chicks continue developing in the nest. Comparing it with the bullfinch reveals that birds with similarly sized clutches can divide egg care differently.

The Arouca Geopark profile describes Squalius carolitertii with an elongated body, a large rounded head and scales with darker edges that create a net-like pattern. It presents the fish as endemic to Iberia: its natural distribution belongs to the Iberian Peninsula, not just Cabeceiras.

The description mentions mountain and lowland rivers, reminding us that one species can occupy different settings along the river network. These general features help introduce the fish; they are not enough to identify an individual from a distance.

The local connection comes from another source: the northern Iberian chub appears in the Cavez sampling survey from 2016–2017. The report documents that survey without establishing current presence or abundance.

The Geopark profile gives a maximum length of 25 centimetres and a breeding season between April and June. It describes the dorsal fin with a straight outline and the anal fin with a convex one. These are details to compare in a suitable illustration or photograph, not dimensions or dates measured during the Cavez survey. The spindle-shaped body, broader in the middle and tapered at the ends, completes this small exploration of form.