Little grebe
The Little grebe is an excellent swimmer and diver, spending most of its time on the water. It is a partly migratory species, with some populations in the Danube Delta moving southwards in winter. During the nesting season (spring and summer), it builds floating nests anchored in the vegetation along the banks. Both parents are involved in incubating eggs and feeding the young, demonstrating dedicated parental behaviour.
Tachybaptus ruficollis
Description and how to observe Little grebe:
The Little grebe is the smallest species of corcodel in Europe, about 25-29 cm long and weighing 130-235 g. The feathers are predominantly brown, with a characteristic chestnut-coloured patch on the throat and a yellow stripe near the beak. In the Danube Delta, this species can most commonly be seen in still lakes, canals with abundant vegetation and areas of standing water. The easiest way to identify it is by its distinctive sounds, a repetitive trill, which becomes more intense during the breeding season.
What it feeds on Little grebe:
The diet of the Little grebe consists mainly of small fish, aquatic insects, larvae and crustaceans. It is an agile hunter, using its diving ability to capture prey underwater.
Threats:
Little grebes face multiple threats including habitat destruction, water pollution, uncontrolled tourism and nesting disturbance. Climate change is also affecting the availability of habitat and food resources.
Ecological role:
This species plays an important role in the aquatic ecosystems of the Danube Delta, helping to control insect and small fish populations. It is also a bio-indicator of the health of freshwater ecosystems, its sensitivity to pollution being a warning sign of environmental deterioration.
More information about Tachybaptus ruficollis:
The Little grebe is protected at European level by European Union legislation and is included in Annex I of the Birds Directive. Its observation and protection contribute to the conservation of biodiversity in the Danube Delta, one of the most important wetland ecosystems in the world.
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