• Apolemichthys trimaculatus

• Aporia crataegi

• Aporrhais pespelecani

• Appendicula cornuta

• Aprosmictus erythropterus

• Apus pallidus

• Aquarium plants : the green garden of fishes

• Aquarium turtles : from prehistory to the drawing-room

• Aquila nipalensis

• Aquila rapax

• Aquilegia alpina

• Aquilegia coerulea

• Aquilegia vulgaris

• Ara ararauna

• Ara chloropterus

• Ara macao

• Ara militaris

• Ara rubrogenys

• Ara severus

• Arachnothryx leucophylla

• Aratinga acuticaudata

• Aratinga solstitialis

• Araucaria cunninghamii

• Araucaria hunsteinii

• Araucaria luxurians

• Arbacia lixula – Linnaeus, 1758

• Arbutus canariensis

• Arbutus unedo

• Architectonica perspectiva

• Archontophoenix alexandrae

• Archontophoenix cunninghamiana

• Archontophoenix tuckeri

• Arctocephalus gazella

• Arctocephalus pusillus doriferus

• Ardea alba

• Ardea cinerea

• Ardea goliath

• Ardea purpurea

• Ardisia crenata

• Areca catechu

• Areca novohibernica

• Areca vestiaria

• Arenga hookeriana

• Arenga microcarpa

• Arenga obtusifolia

• Arenga pinnata

• Arenga undulatifolia

• Arenga westerhoutii

• Argynnis adippe

• Argynnis niobe

• Argynnis paphia

• Aricia agestis

• Arion lusitanicus – Mabille, 1868

• Aristolochia gigantea

• Aristolochia leuconeura

• Aristolochia littoralis

• Aristolochia sempervirens

• Armadillidium vulgare

• Armillaria mellea

• Arnica montana

• Aromatic plants : aromas for defending ourselves and medicinal properties

• Arothron hispidus

• Arothron mappa

• Arothron meleagris

• Arrojadoa rhodantha

• Artemia salina

• Artemisia absinthium

• Artemisia dracunculus

• Artemisia vulgaris

• Arthroclianthus deplanchei

• Artocarpus altilis

• Artocarpus heterophyllus

• Artocarpus integer

• Arum : a trap for the flies

• Arum italicum

• Arundina graminifolia

• Ascidieria longifolia

• Asclepiadaceae: star-shaped flowers

• Asclepias syriaca

• Asio otus

• Asparagus acutifolius

• Asparagus densiflorus meyeri

• Asparagus officinalis

• Asparagus plumosus

• Asparagus sprengeri

• Asparagus virgatus

• Asperula hirta

• Aspidelaps scutatus

• Aspidistra elatior

• Aspidites melanocephalus

• Aspidoscelis sexlineata

• Asplenium bulbiferum

• Asplenium nidus-avis

• Asplenium nidus

• Asplenium trichomanes

• Asterina gibbosa

• Astraeus hygrometricus

• Astrantia major

• Astrocaryum mexicanum

• Astrophytum myriostigma

• Atelopus varius

• Athene noctua

• Atheris nitschei

• Atractocarpus fitzalanii

• Atropa belladonna

• Attacus atlas

• Attalea butyracea

• Attalea cohune

• Attalea crassispatha

• Attalea humilis

• Attalea insignis

• Aulostomus maculatus

• Aurelia aurita – Linnaeus, 1758

• Australian flowers: unusual, often suitable for Mediterranean climate

• Australian pelicans : birth of a spectacled pelican

• Australian penguins : In Australia, every night, they go on parade

• Australian proteaceae: wily seducers

• Australian rainy forest: animals and plants

• Australopithecus africanus – Dart, 1925

• Australopithecus robustus – Broom, 1938

• Austrelaps superbus

• Austrocylindropuntia subulata

• Austrocylindropuntia verschaffeltii

• Austrosteenisia blackii

• Averrhoa bilimbi

• Averrhoa carambola

• Avicennia marina

• Axis axis

• Axis porcinus

• Aythya nyroca

• Babyrousa babyrussa

• Bactris concinna

• Bactris major

• Bactris plumeriana

• Badhamia utricularis

• Baeckea frutescens

• Baikiaea insignis

• Balaeniceps rex

• Balanus

• Balcone fiorito

• Balearica regulorum

• Balistapus undulatus

• Balistes capriscus

• Balistes vetula

• Balistoides conspicillum

• Balistoides viridescens

• Bambusa bambos

• Bambusa heterostachya

• Bambusa lako

• Bambusa multiplex

• Bambusa textilis

• Bambusa tulda

• Bambusa vulgaris

• Banisteriopsis laevifolia

• Banksia candolleana

• Banksia coccinea

• Banksia integrifolia

• Banksia praemorsa

• Banksias : odd Australian flowers

• Barbosella cucullata

• Barbus barbus – Linnaeus, 1758

• Barkeria melanocaulon

• Barleria strigosa

• Barnardius zonarius barnardi

• Barringtonia acutangula

• Barringtonia calyptrata

• Barringtonia edulis

• Bauhinia bassacensis

• Bauhinia bidentata

• Bauhinia corymbosa

• Bauhinia galpinii

• Bauhinia grandiflora

• Bauhinia integrifolia

• Bauhinia kockiana

• Bauhinia semibifida

• Bauhinia sirindhorniae

• Bauhinia tomentosa

• Beaucarnea recurvata

• Beaumontia grandiflora

• Beccariophoenix fenestralis

• Beccariophoenix madagascariensis

• Begonia cucullata var. cucullata

• Begonia × tuberhybrida

• Bellis perennis

• Bentinckia nicobarica

• Berberis vulgaris

• Betula pendula

• Bidens ferulifolia

• Bidens pilosa

• Bignonia magnifica

• Billbergia pyramidalis

• Billbergia rosea

• Bismarckia nobilis

• Bison bison

• Bitis arietans

• Bitis gabonica

• Bitis nasicornis

• Bitis worthingtoni

• Bivalve aperto

• Bixa orellana

• Bjerkandera adusta

• Blanus cinereus

• Blechnum brasiliense

• Bletilla striata

• Blighia sapida

• Boa constrictor

• Bodianus mesothorax

• Bodianus rufus

• Boiga cynodon

• Boiga dendrophila

• Boiga nigriceps

• Boletus aereus

• Boletus aestivalis

• Boletus edulis

• Boletus pinophilus

• Boletus regius

• Boletus satanas

• Bolinus brandaris

• Bolitoglossa dofleini

• Bolitoglossa mexicana

• Bombina orientalis

• Bombina variegata

• Bombyx mori

• Borassodendron machadonis

• Borassus flabellifer

• Bos gaurus

• Bos taurus

• Boswellia sacra

• Botanic geraniums: the South African ancestor of florists’ geraniums

• Bothriechis nigroviridis

• Bothriechis schlegelii

• Bothrops alternatus

• Bothus podas

• Botrychium lunaria

• Bougainvillea ‘Mary Palmer’

• Bougainvillea glabra

• Bougainvillea x buttiana

• Bouquet

• Brachychiton bidwillii

• Brachychiton populneus

• Brachylophus fasciatus

• Brachylophus vitiensis

• Brahea aculeata

• Brahea armata

• Brahea brandegeei

• Branta leucopsis

• Branta ruficollis

• Branta sandvicensis

• Brassavola cucullata

• Brassavola flagellaris

• Brassavola nodosa

• Brassica oleracea

• Brassocattleya Hybr.

• Brassolaeliocattleya Hybr.

• Brenthis daphne

• Brenthis ino

• Breynia retusa

• Brintesia circe – Fabricius, 1775

• Broghammerus reticulatus

• Bromelia balansae

• Bromeliaceae: the pineapple and its ornamental relatives

• Browallia speciosa

• Brownea ariza

• Brownea grandiceps

• Brownea macrophylla

• Brugmansia versicolor

• Bruguiera gymnorhiza

• Brunfelsia australis

• Bryobium hyacinthoides

• Bryonia cretica subsp. dioica

• Bubalus arnee

• Bubo bubo

• Bubulcus ibis

• Buds: from flower and from leaves… opening sequence

• Bufo bufo

• Bufotes viridis

• Bulbine frutescens

• Bulbophyllum alkmaarense

• Bulbophyllum amplebracteatum subsp. orthoglossum

• Bulbophyllum anjae

• Bulbophyllum aphanopetalum

• Bulbophyllum arfakianum

• Bulbophyllum auratum

• Bulbophyllum dearei

• Bulbophyllum digoelense

• Bulbophyllum echinochilum

• Bulbophyllum erythrosema

• Bulbophyllum falcatum

• Bulbophyllum flabellum-veneris

• Bulbophyllum flavescens

• Bulbophyllum fractiflexum

• Bulbophyllum gerlandianum

• Bulbophyllum gracillimum

• Bulbophyllum grandiflorum

• Bulbophyllum grandifolium

• Bulbophyllum hengstumianum

• Bulbophyllum hirtulum

• Bulbophyllum incurvum

• Bulbophyllum lasiochilum

• Bulbophyllum linearilabium