Канал: Walter Jahn

MUTE SWANS STRUGGLING IN ABNORMALLY HOT & DRY CONDITIONS in June 2024

MUTE SWANS STRUGGLING IN ABNORMALLY HOT & DRY CONDITIONS in June 2024

MUSKRAT STRUGGLING IN ABNORMALLY HOT & DRY CONDITIONS in June 2024

MUSKRAT STRUGGLING IN ABNORMALLY HOT & DRY CONDITIONS in June 2024

OCAS AUDUBON JUNE 2024 SANCTUARY UPDATE

OCAS AUDUBON JUNE 2024 SANCTUARY UPDATE

YELLOW WARBLER NESTS

YELLOW WARBLER NESTS

SNAPPING TURTLES at 6 12 Station Sanctuary in Spring

SNAPPING TURTLES at 6 12 Station Sanctuary in Spring

WOOD DUCK intraspecific brood parasitism

WOOD DUCK intraspecific brood parasitism

KILLDEER

KILLDEER

BALD EAGLES ALONG THE DELAWARE more than one per mile on a good day

BALD EAGLES ALONG THE DELAWARE more than one per mile on a good day

BALD EAGLE EAGLETS IN JUNE

BALD EAGLE EAGLETS IN JUNE

AMERICAN GOLDFINCH and its song

AMERICAN GOLDFINCH and its song

RED WINGED BLACKBIRDS MOBBING RED SHOULDERED HAWK

RED WINGED BLACKBIRDS MOBBING RED SHOULDERED HAWK

song about SONG SPARROW songs

song about SONG SPARROW songs

SONG SPARROW songs

SONG SPARROW songs

SWAMP SPARROWS

SWAMP SPARROWS

FIELD SPARROWS

FIELD SPARROWS

CHIPPING SPARROWS

CHIPPING SPARROWS

CEDAR WAXWINGS

CEDAR WAXWINGS

BREATHING MUSCLES song

BREATHING MUSCLES song

HYPOTHALAMUS SONG part 1

HYPOTHALAMUS SONG part 1

LITTLE BLUE HERONS in New York Wetland song

LITTLE BLUE HERONS in New York Wetland song

LITTLE BLUE HERONS in New York perhaps expanding their range due to climate change

LITTLE BLUE HERONS in New York perhaps expanding their range due to climate change

RED EYED VIREO & song

RED EYED VIREO & song

SEMIPALMATED PLOVER

SEMIPALMATED PLOVER

AMERICAN GOLDFINCH and its song

AMERICAN GOLDFINCH and its song

ORANGE COUNTY AUDUBON (OCAS) MAY 2024 SANCTUARY UPDATE

ORANGE COUNTY AUDUBON (OCAS) MAY 2024 SANCTUARY UPDATE

FEMALE PAINTED TURTLE LAYING EGGS( & other topics like turtle gender & butt breathing)

FEMALE PAINTED TURTLE LAYING EGGS( & other topics like turtle gender & butt breathing)

yellow warbler song

yellow warbler song

DUCKLINGS GOSLINGS CYGNETS

DUCKLINGS GOSLINGS CYGNETS

YELLOW-RUMPED WARBLERS or "butter butts"

YELLOW-RUMPED WARBLERS or "butter butts"

WARBLING VIREO

WARBLING VIREO

BALTIMORE ORIOLE

BALTIMORE ORIOLE

SWALLOWS NEST IN CAVITIES

SWALLOWS NEST IN CAVITIES

TREE SWALLOWS

TREE SWALLOWS

EAGLETS in May

EAGLETS in May

CEDAR APPLE RUST

CEDAR APPLE RUST

4 SWALLOW SPECIES AT AUDUBON SANCTUARY

4 SWALLOW SPECIES AT AUDUBON SANCTUARY

3 SANDPIPER SPECIES at a New York Audubon Sanctuary

3 SANDPIPER SPECIES at a New York Audubon Sanctuary

LESSER YELLOWLEGS SONG (even though the name is hurtful)

LESSER YELLOWLEGS SONG (even though the name is hurtful)

GREATER YELLOWLEGS

GREATER YELLOWLEGS

GREATER YELLOWLEGS song

GREATER YELLOWLEGS song

SAVANNAH SPARROWS

SAVANNAH SPARROWS

BARRED OWLS near Orange County Audubon Sanctuary New York

BARRED OWLS near Orange County Audubon Sanctuary New York

OCAS APRIL HIGHLIGHTS

OCAS APRIL HIGHLIGHTS

GREEN WINGED TEALS

GREEN WINGED TEALS

blue winged teal

blue winged teal

NORTHERN SHOVELER

NORTHERN SHOVELER

PALM WARBLERS often your first spring warbler

PALM WARBLERS often your first spring warbler

HOW DID WILDLIFE REACT TO THE PARTIAL ECLIPSE IN ORANGE COUNTY, NEW YORK?

HOW DID WILDLIFE REACT TO THE PARTIAL ECLIPSE IN ORANGE COUNTY, NEW YORK?

BALD EAGLES

BALD EAGLES

AMERICAN WIGEON

AMERICAN WIGEON

AMERICAN COOT

AMERICAN COOT

the BALD EAGLE as the national symbol

the BALD EAGLE as the national symbol

DDT HISTORY & HUMAN HEALTH

DDT HISTORY & HUMAN HEALTH

THREATS TO BALD EAGLES part 2

THREATS TO BALD EAGLES part 2

PCBs & EAGLES

PCBs & EAGLES

MERCURY POLLUTION & EAGLES

MERCURY POLLUTION & EAGLES

LEAD POLLUTION & EAGLES

LEAD POLLUTION & EAGLES

FISH ADVISORIES FOR CHEMICAL CONTAMINANTS IN SEVERAL STATES

FISH ADVISORIES FOR CHEMICAL CONTAMINANTS IN SEVERAL STATES

DDT, EAGLES, & BIOMAGNIFICATION

DDT, EAGLES, & BIOMAGNIFICATION

AMERICAN WOODCOCK

AMERICAN WOODCOCK

BALD EAGLES & THEIR LIFE HISTORY

BALD EAGLES & THEIR LIFE HISTORY

THREATS TO BALD EAGLES part 1

THREATS TO BALD EAGLES part 1

BALD EAGLE FLIGHT & MIGRATION

BALD EAGLE FLIGHT & MIGRATION

LESSER SCAUP: an unusual bird for Orange County NY

LESSER SCAUP: an unusual bird for Orange County NY

RED BREASTED MERGANSER an unusual bird in Orange County New York

RED BREASTED MERGANSER an unusual bird in Orange County New York

BALD EAGLE DIET

BALD EAGLE DIET

BALD EAGLE SIZE

BALD EAGLE SIZE

EVOLUTION OF SEA EAGLES

EVOLUTION OF SEA EAGLES

IMMATURE BALD EAGLES

IMMATURE BALD EAGLES

GROWING UP IN EAGLE NEST part 2

GROWING UP IN EAGLE NEST part 2

GROWING UP IN EAGLE NEST part 1

GROWING UP IN EAGLE NEST part 1

BALD EAGLE EGGS

BALD EAGLE EGGS

BALD EAGLE COURTSHIP

BALD EAGLE COURTSHIP

bald eagle nests

bald eagle nests

GOLDEN CROWNED KINGLETS (and why late winter is a good time for birdwatching & photography)

GOLDEN CROWNED KINGLETS (and why late winter is a good time for birdwatching & photography)

WINTER WREN

WINTER WREN

HAIRY BITTERCRESS

HAIRY BITTERCRESS

SNOW GEESE BEGINNING RETURN MIGRATION

SNOW GEESE BEGINNING RETURN MIGRATION

RING NECKED DUCK RELATIONSHIPS

RING NECKED DUCK RELATIONSHIPS

SANDHILL CRANES in southern New York

SANDHILL CRANES in southern New York

SWAN RELATIONSHIPS

SWAN RELATIONSHIPS

SNOW GOOSE RELATIONSHIPS

SNOW GOOSE RELATIONSHIPS

CANADA GOOSE RELATIONSHIPS

CANADA GOOSE RELATIONSHIPS

MALLARD RELATIONSHIPS

MALLARD RELATIONSHIPS

AMOC run amok song

AMOC run amok song

BOBCATS IN SOUTHERN NEW YORK

BOBCATS IN SOUTHERN NEW YORK

WINTER BIRDS AT THE RECLAIMED LANDFILL AT CROTON POINT PARK

WINTER BIRDS AT THE RECLAIMED LANDFILL AT CROTON POINT PARK

SNOW GOOSE

SNOW GOOSE

WHITE CROWNED SPARROW

WHITE CROWNED SPARROW

RED BREASTED NUTHATCH

RED BREASTED NUTHATCH

AMERICAN TREE SPARROW

AMERICAN TREE SPARROW

SLATE COLORED JUNCO

SLATE COLORED JUNCO

WHITE THROATED SPARROW: a sparrow with four sexes? part 2

WHITE THROATED SPARROW: a sparrow with four sexes? part 2

WHITE THROATED SPARROW: a sparrow with four sexes? part 1

WHITE THROATED SPARROW: a sparrow with four sexes? part 1

VERTEBRATE SKULL ANATOMY & EVOLUTION part 2

VERTEBRATE SKULL ANATOMY & EVOLUTION part 2

CLEANING MICE OUT OF BLUEBIRD HOUSES

CLEANING MICE OUT OF BLUEBIRD HOUSES

Vertebrate skeletal tissue & Vertebrate Skull part 1: comparative vertebrate anatomy lecture

Vertebrate skeletal tissue & Vertebrate Skull part 1: comparative vertebrate anatomy lecture

4 SPARROW SPECIES ON WINTER WALK song

4 SPARROW SPECIES ON WINTER WALK song

HYBRIDIZATION PROBLEMS BETWEEN POPULATIONS song

HYBRIDIZATION PROBLEMS BETWEEN POPULATIONS song

allopatric sympatric isolation song

allopatric sympatric isolation song

PLURIPOTENT HEMATOPOEITIC STEM CELL song

PLURIPOTENT HEMATOPOEITIC STEM CELL song

GOLDEN CROWNED KINGLET

GOLDEN CROWNED KINGLET

SHORT EARED OWLS & comments on the Liberty Loop Trail at the Wallkill National Wildlife Refuge

SHORT EARED OWLS & comments on the Liberty Loop Trail at the Wallkill National Wildlife Refuge

HARDY WEINBERG EQUILIBRIUM SONG

HARDY WEINBERG EQUILIBRIUM SONG

2023 the HOTTEST YEAR in the HOTTEST DECADE

2023 the HOTTEST YEAR in the HOTTEST DECADE

CLIMATE CHANGE, EFFECTS ON WILDLIFE, and philosophical thoughts from science to skiing

CLIMATE CHANGE, EFFECTS ON WILDLIFE, and philosophical thoughts from science to skiing

MURMURATIONS OF STARLINGS

MURMURATIONS OF STARLINGS

BIRDS MAY CHANGE THEIR BEHAVIOR IN WINTER

BIRDS MAY CHANGE THEIR BEHAVIOR IN WINTER

EFFECTS OF CLIMATE CHANGE IN CHINA 2023

EFFECTS OF CLIMATE CHANGE IN CHINA 2023

2023 population growth song

2023 population growth song

WHY DO MALE MALLARDS HAVE GREEN HEADS? testosterone

WHY DO MALE MALLARDS HAVE GREEN HEADS? testosterone

WHY DO MALE MALLARDS HAVE GREEN HEADS? (not because of green pigment)

WHY DO MALE MALLARDS HAVE GREEN HEADS? (not because of green pigment)

2023's #1 song

2023's #1 song

2024 HUMAN POPULATION GROWTH: part 2--growing more slowly

2024 HUMAN POPULATION GROWTH: part 2--growing more slowly

2024 HUMAN POPULATION GROWTH: part 1--still growing!

2024 HUMAN POPULATION GROWTH: part 1--still growing!

MOST POPULATED COUNTRIES: 1950 vs 2024

MOST POPULATED COUNTRIES: 1950 vs 2024

la espátula rosada canción

la espátula rosada canción

LOSS OF ANTARCTIC ICE IN 2023

LOSS OF ANTARCTIC ICE IN 2023

2023 RECORD NUMBER OF BILLION DOLLAR CLIMATE DISASTERS

2023 RECORD NUMBER OF BILLION DOLLAR CLIMATE DISASTERS

DECREASE IN ARCTIC ICE IN 2023

DECREASE IN ARCTIC ICE IN 2023

2023 record levels of greenhouse gases

2023 record levels of greenhouse gases

DEAD DINOSAUR SONG

DEAD DINOSAUR SONG

2023 HOTTEST OCEAN TEMPERATURES

2023 HOTTEST OCEAN TEMPERATURES

EUTHERIAN MAMMALS of the LATE JURASSIC& EARLY CRETACEOUS: FURBALL #5 in Mammal Evolution series

EUTHERIAN MAMMALS of the LATE JURASSIC& EARLY CRETACEOUS: FURBALL #5 in Mammal Evolution series

THERIAN MAMMALS of the MID to LATE JURASSIC: FURBALL #4 in Mammal Evolution series

THERIAN MAMMALS of the MID to LATE JURASSIC: FURBALL #4 in Mammal Evolution series

CROWN MAMMALS of the MID to LATE JURASSIC: FURBALL #3 in Mammal Evolution series

CROWN MAMMALS of the MID to LATE JURASSIC: FURBALL #3 in Mammal Evolution series

2023 the HOTTEST YEAR ON RECORD

2023 the HOTTEST YEAR ON RECORD

ADVANCED CYNODONTS OF THE LATE TRIASSIC: FURBALL #1 in Mammal Evolution series

ADVANCED CYNODONTS OF THE LATE TRIASSIC: FURBALL #1 in Mammal Evolution series

MAMMALIAFORMES OF THE LATE TRIASSIC to MID JURASSIC: FURBALL #2 in Mammal Evolution series

MAMMALIAFORMES OF THE LATE TRIASSIC to MID JURASSIC: FURBALL #2 in Mammal Evolution series

DECEMBER WILDLIFE AT OCAS AUDUBON 6 1/2 STATION SANCTUARY

DECEMBER WILDLIFE AT OCAS AUDUBON 6 1/2 STATION SANCTUARY

TO DABBLE OR TO DIVE that is the duck question

TO DABBLE OR TO DIVE that is the duck question

Canada Geese at night

Canada Geese at night

Northern Harrier Hawk

Northern Harrier Hawk

BLACK DUCKS

BLACK DUCKS

SEX CHROMOSOMES IN MONOTREMES

SEX CHROMOSOMES IN MONOTREMES

MALE MONOTREME REPRODUCTIVE FEATURES

MALE MONOTREME REPRODUCTIVE FEATURES

FEMALE MONOTREME REPRODUCTIVE FEATURES

FEMALE MONOTREME REPRODUCTIVE FEATURES

PLATYPUS SONG

PLATYPUS SONG

the PLATYPUS

the PLATYPUS

MAMMALS, THERIANS, EUTHERIANS, & SYNAPSIDS

MAMMALS, THERIANS, EUTHERIANS, & SYNAPSIDS

Australopithecus anamensis

Australopithecus anamensis

Australopithecus anamensis SONG

Australopithecus anamensis SONG

GREAT BLUE HERONS GO HUNTING AT NIGHT song

GREAT BLUE HERONS GO HUNTING AT NIGHT song

ZEBRAS & the QUAGGA

ZEBRAS & the QUAGGA

WHALE EVOLUTION SONG

WHALE EVOLUTION SONG

CENOZOIC HORSE EVOLUTION SONG

CENOZOIC HORSE EVOLUTION SONG

CENOZOIC ELEPHANT EVOLUTION SONG

CENOZOIC ELEPHANT EVOLUTION SONG

Autonomic Nervous System

Autonomic Nervous System

CRANIAL NERVE SONG

CRANIAL NERVE SONG

CEREBRUM SONG

CEREBRUM SONG

CEREBELLUM SONG

CEREBELLUM SONG

OCTOBER-NOVEMBER BIRDS AT OCAS 6 1/2 SANCTUARY part 1

OCTOBER-NOVEMBER BIRDS AT OCAS 6 1/2 SANCTUARY part 1

OCTOBER-NOVEMBER BIRDS AT OCAS 6 1/2 SANCTUARY part2

OCTOBER-NOVEMBER BIRDS AT OCAS 6 1/2 SANCTUARY part2

IMMATURE LITTLE BLUE HERON

IMMATURE LITTLE BLUE HERON

WILSON'S SNIPE

WILSON'S SNIPE

DUNLINS feeding during migration

DUNLINS feeding during migration

SCANSORIOPTERYGIDAE: small gliding theropod dinosaurs with both feathers & bat-like wing membranes

SCANSORIOPTERYGIDAE: small gliding theropod dinosaurs with both feathers & bat-like wing membranes

VINEGAR EELS a nematode worm

VINEGAR EELS a nematode worm

IF YOU TOUCH ME (a romantic anatomy song)

IF YOU TOUCH ME (a romantic anatomy song)

YOU WILL FEEL PAIN (anatomy song)

YOU WILL FEEL PAIN (anatomy song)

FIGHT SONG (with leg muscle innervations)

FIGHT SONG (with leg muscle innervations)

LUMBAR & SACRAL PLEXUSES

LUMBAR & SACRAL PLEXUSES

FIGHT SONG (with arm muscle innervations)

FIGHT SONG (with arm muscle innervations)

KICK THE BALL SONG (anterior thigh muscles song)

KICK THE BALL SONG (anterior thigh muscles song)

GLUTEUS MAXIMUS in 3/4 time song

GLUTEUS MAXIMUS in 3/4 time song

ABDUCT THE THIGH song

ABDUCT THE THIGH song

MONOCOT VS DICOT LEAVES

MONOCOT VS DICOT LEAVES

SECONDARY GROWTH IN GYMNOSPERMS

SECONDARY GROWTH IN GYMNOSPERMS

GYMNOSPERM LEAVES

GYMNOSPERM LEAVES

BIOLOGICALLY WHAT IS A TREE? how many times have trees evolved?

BIOLOGICALLY WHAT IS A TREE? how many times have trees evolved?

TRAPEZIUS & LATISSIMUS DORSI SONG

TRAPEZIUS & LATISSIMUS DORSI SONG

STERNOCLEIDOMASTOID MUSCLE SONG

STERNOCLEIDOMASTOID MUSCLE SONG

LYCOPOD CLUBMOSSES & MICROPHYLL LEAVES

LYCOPOD CLUBMOSSES & MICROPHYLL LEAVES

MYOFIBRILS IN MUSCLE FIBERS

MYOFIBRILS IN MUSCLE FIBERS

PECTORALIS MAJOR & MINOR song

PECTORALIS MAJOR & MINOR song

ORBICULARIS ORIS song

ORBICULARIS ORIS song

PRIMITIVE VASCULAR PLANTS: how primitive?

PRIMITIVE VASCULAR PLANTS: how primitive?

GREATER & LESSER YELLOWLEGS FORAGING TOGETHER

GREATER & LESSER YELLOWLEGS FORAGING TOGETHER

WINTERBERRY an important food source for winter birds

WINTERBERRY an important food source for winter birds

Introduction to Plant Keys

Introduction to Plant Keys

GREEN WINGED TEAL IN AUTUMN

GREEN WINGED TEAL IN AUTUMN

NO DINOSAUR EVER SAW song

NO DINOSAUR EVER SAW song

GREAT BLUE HERON NECKS

GREAT BLUE HERON NECKS

GREAT EGRETS

GREAT EGRETS

DID DINOSAURS EVER SWIM IN THE GREAT LAKES? of course not!!!

DID DINOSAURS EVER SWIM IN THE GREAT LAKES? of course not!!!

BROWN CREEPER

BROWN CREEPER

YELLOW RUMPED WARBLER in autumn

YELLOW RUMPED WARBLER in autumn

AUTUMN YELLOW RUMPED WARBLER song

AUTUMN YELLOW RUMPED WARBLER song

PUFFBALL FUNGI: P. S. don't get "wolf fart disease"!

PUFFBALL FUNGI: P. S. don't get "wolf fart disease"!

POISON IVY IN AUTUMN

POISON IVY IN AUTUMN

BACTERIAL DILUTION SERIES

BACTERIAL DILUTION SERIES

IDENTIFYING BACTERIA WITH CARBOHYDRATE FERMENTATION TESTS

IDENTIFYING BACTERIA WITH CARBOHYDRATE FERMENTATION TESTS

BACTERIAL CAPSULES & SLIME LAYERS

BACTERIAL CAPSULES & SLIME LAYERS

New England Aster

New England Aster

MUTE SWAN CYGNETS: ugly ducklings that became swans

MUTE SWAN CYGNETS: ugly ducklings that became swans

COMMON EUROPEAN AMBER SNAIL: an exotic species in the Eastern U.S.

COMMON EUROPEAN AMBER SNAIL: an exotic species in the Eastern U.S.

SPOTLESS SPOTTED SANDPIPER

SPOTLESS SPOTTED SANDPIPER

CHINESE MANTIS

CHINESE MANTIS

LESSER YELLOWLEGS

LESSER YELLOWLEGS

differing ranges & migration routes in bird subspecies: example black tailed godwit

differing ranges & migration routes in bird subspecies: example black tailed godwit