animal migration

Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migration in ecology. It is found in all major animal groups, including birds, mammals, fish, reptiles, amphibians, insects, and crustaceans. The trigger for the migration may be local climate, local availability of food, the season of the year or for mating reasons. To be counted as a true migration, and not just a local dispersal or irruption, the movement of the animals should be an annual or seasonal occurrence, such as Northern Hemisphere birds migrating south for the winter; wildebeest migrating annually for seasonal grazing; or a major habitat change as part of their life, such as young Atlantic salmon or Sea lamprey leaving the river of their birth when they have reached a few inches in size.
Beach at dusk. - Beach at dusk. Folded umbrellas.
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Beach at dusk.

Added 2 months ago by Zeta

29

at the waterhole - Africa, landscape, animals, sunrise
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at the waterhole

Added 2 months ago by sandra

187 1

heart-shaped heart - heart-shaped heart
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heart-shaped heart

Added 2 months ago by Joasia

29

Beach - Poland beaches
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Beach

Added 3 months ago by Barbara

41 1

Dragon parade - Dragon parade in Krakow in 2016.
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Dragon parade

Added year ago by Margit

124

by the lake - wild ducks by the lake
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by the lake

Added year ago by ewunia x

96 1

bird dance - birds, dance, feet, feathers
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bird dance

Added year ago by wieslawa

147 2

African landscape - African landscape, jklasjkljclksc
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African landscape

Added year ago by Klaudia

104 1

Geese in flight - Geese in flight with a castle in the background
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Geese in flight

Added year ago by Marti

172 1

Sopot beach - An image showing the Sopot beach.
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Sopot beach

Added year ago by Krzysztof

295

natura- ptaki - bocian lecący za granicę
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natura- ptaki

Added year ago by Lukrecja

24

zebry w trawie - drzewo,łąka, zebry,horyzont
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zebry w trawie

Added over a year ago by wieslawa

200

Dzika Afryka - Puzzle do zajęć edukacyjno plaxstycznych w czasie wakacji
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Dzika Afryka

Added over a year ago by BD21 i XII CZM

80

Ptaki nad wodą - Ptaki 


Klucz kaczek wzbijających się do lotu
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Ptaki nad wodą

Added over a year ago by Monika

8

wielbłądy - cienie wielbłądów
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wielbłądy

Added over a year ago by zamieścił EB

54

Podniebny lot. - Podniebny lot.Podniebny lot.
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Podniebny lot.

Added over a year ago by Koliber

52

polowanie lwa na gazelę - polowanie lwa na gazelę
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polowanie lwa na gazelę

Added over a year ago by Ludmiła

230

Antylopy na sawannie - Stado antylop na sawannie
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Antylopy na sawannie

Added over a year ago by 1Maryla

139

żyrafy na pastwisku - Puzzle średni poziom
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żyrafy na pastwisku

Added over a year ago by Aleksandra

157

Giraffen - Giraffen in Namibia, Afrika
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Giraffen

Added over a year ago by Baldiun

40

Giraffen Herde - Small herd of giraffes, Namibia
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Giraffen Herde

Added over a year ago by Baldiun

29

Sandhill cranes - Sandhill cranes flying, Bosque del Apache National Wildlife Refuge, New Mexico, USA
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Sandhill cranes

Added over a year ago by Balduin

64

MorningMoonGeese - MorningMoonGeese_ZH-CN8226241062_1366x768
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MorningMoonGeese

Added over a year ago by Balduin

40

weidende Zebras - weidende Zebras
weidende Zebras
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weidende Zebras

Added over a year ago by Balduin

50