Dalmatian Pelican

Spot-billed pelicans

Kingdom
Phylum
Class
Subclass
Infraclass
Superorder
Family
Genus
SPECIES
Pelecanus crispus
Population size
10-13,9 Thou
Life Span
30-54 yrs
TOP SPEED
65 km/h
WEIGHT
7.3-15 kg
LENGTH
160-183 cm
WINGSPAN
290-345 cm

This large pelican features stunning silvery-white plumage during the breeding season, which contrasts with the orange-red rubbery pouch beneath its bill and the purple to yellow bare skin around its eyes. On its nape it has a thick silver crest of feathers. Over the breeding season, its pouch fades to a yellow color, and in winter its plumage loses its sheen of silver and appears whitish or gray instead. The Dalmatian pelican the largest of the pelican species and is amongst the largest birds alive today, and, along with kori, great bustards and great swans, is one of the heaviest of flying birds.

Distibution

There are two main populations of Dalmatian pelican. One breeds in Eastern Europe, wintering in the eastern Mediterranean region, and the other breeds in central Asia and Russia, wintering in the Indian subcontinent, Iran and Iraq. This species breeds within the reed beds or out in the open on the islands of coastal lagoons and river deltas, and also in inland, freshwater wetlands.

Biome

Climate zones

Habits and Lifestyle

These pelicans are social birds, and live and travel mainly in flocks. On land they are not graceful, but they fly well and swim strongly. When flying, they rest their heads on their shoulders with their bills resting on their folded necks, and usually they need to flap their wings only once or twice each second. They are diurnal birds, sleeping at night with heads twisted back, tucked into their feathers. All species of pelican are careful groomers, and a large part of an individual’s time is spent resting or preening. An individual will clean itself through splash bathing, preening, and rubbing its head over its body to help distribute waterproofing oil through its feathers. Dalmatian pelicans often hunt alone, but will hunt in larger groups. They will return to particular breeding grounds in the breeding season. Here they are territorial, and will defend their nest from others. They are nomadic outside of the breeding season, traveling some distance in search of food.

Group name

Diet and Nutrition

Dalmatian pelicans are carnivorous, eating mainly fish, and also amphibians, small reptiles, and aquatic crustaceans.

Mating Habits

MATING BEHAVIOR
REPRODUCTION SEASON
varies geographically; in the western part starts in March or April
INCUBATION PERIOD
31 days
INDEPENDENT AGE
60-90 days
BABY NAME
chick, nestling
BABY CARRYING
2-4 eggs

Dalmatian pelicans are serially monogamous and form pair bonds by year, not for life. At the start of a new breeding season the courtship rituals begin again. Pairing occurs about a week after pelicans return to the breeding grounds. Dalmatian pelicans will use a range of different social signals during courtship, both visual and vocal. Once formed, the pair will begin to create their nest in an area with abundant fish and vegetation. The nests will be defended by means of hissing, sighing, and beak-jabbing movements when another bird comes too close. Breeding starts in the west of the range in March and April, but it varies geographically. Two to four eggs are laid and are incubated by both parents for 31 days. Nestlings are helpless when born and for their first few weeks their parents feed them. Fledging takes place between 60 to 90 days, young being able to hunt independently at about 12 weeks. Chicks reach reproductive maturity when they are 30 months old or during the third year.

Population

Population threats

Dalmatian pelicans were threatened in the past by wetland drainage, as well as being shot and persecuted by fishermen who regard them as competing with them for food. In only a few areas, fishermen continue this threat, and there is some disturbance from tourists. Habitat degradation from water pollution and wetland alteration are currently serious threats, compounded by the fishing industry’s over-exploitation of fish stocks and hunting by livestock herders in Mongolia. Furthermore, the bill of this species has traditionally been used by Mongolian nomads for a pouch.

Population number

According to IUCN’s Red List, the Dalmatian pelican total population size is about 10,000-13,900 individuals, which equates to roughly 6,700-9,300 mature individuals. Estimations for specific populations are as follows: 4,350-4,800 individuals in the Mediterranean and the Black Sea; 6,000-9,000 in south Asia and South-East Asia, and 50 in East Asia. Overall, Dalmatian pelicans are classified as Vulnerable (VU) and their numbers today are decreasing.

Fun Facts for Kids

  • The Dalmatian pelicans use their throat pouch not only to capture fish but also as a cooling mechanism. They open their beaks during hot weather, pulsating their pouch in order to speed up the rate of cooling by evaporation.
  • Mature Dalmatian pelicans are relatively quiet, calling only rarely. When they perceive a threat, both young and mature birds will become silent. They may use large wing movements and loud noises as scare tactics once the threat is visible.
  • The extendable sac of skin a pelican has at the base of its throat can hold as much as 3 gallons of water, which is several times more than in their belly.
  • Pelicans come from an ancient family of birds, the fossils dating back nearly 40 million years.
  • A gull will often sit on a pelican’s head, aiming to steal food when the pelican empties out the water in its bill by opening it slightly.

References

1. Dalmatian Pelican Wikipedia article - https://en.wikipedia.org/wiki/Dalmatian_pelican
2. Dalmatian Pelican on IUCN Red List site - http://www.iucnredlist.org/details/22697599/0

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