Prey speed influences the speed and structure of the raptorial strike of a ‘sit-and-wait’ predator

Jeremy E. Niven,Sergio Rossoni

Consistency in the strength of laterality in male, but not female, guppies across different behavioural contexts

Lesley J. Morrell,Stephanie McLean

The sex with the reduced sex chromosome dies earlier: a comparison across the tree of life

Angela T. Moles,Susan E. Everingham,Zoe A. Xirocostas

Predation risks of signalling and searching: bats prefer moving katydids

Amber S. Litterer,Ciara E. Kernan,Gerald G. Carter,Hannah M. ter Hofstede,Inga Geipel,Rachel A. Page

High-Arctic family planning: earlier spring onset advances age at first reproduction in barnacle geese

Aline Magdalena Lee,Brage Bremset Hansen,Kate Layton-Matthews,Maarten J. J. E. Loonen,Mari Aas Fjelldal,Vidar Gr？tan

The earliest record of Caribbean frogs: a fossil coquí from Puerto Rico

David C. Blackburn,Jorge Vélez-Juarbe,María C. Vallejo-Pareja,Rachel M. Keeffe

Structural colours reflect individual quality: a meta-analysis

Thomas E. White

Genetic evidence of widespread variation in ethanol metabolism among mammals: revisiting the ‘myth' of natural intoxication

Amanda D. Melin,Gwen Duytschaever,Mareike C. Janiak,Matthew A. Carrigan,Swellan L. Pinto

Reproduction deep inside wood: a low O2 and high CO2 environment promotes egg production by termite queens

Eisuke Tasaki,Kenji Matsuura,Tatsuya Inagaki,Yasuyuki Komagata

Natal origin of Pacific bluefin tuna from the California Current Large Marine Ecosystem

Heidi Dewar,Jay R. Rooker,John A. Mohan,Nathan R. Miller,Owyn E. Snodgrass,R. J. David Wells,Seiji Ohshimo,Suzanne Kohin,Yosuke Tanaka

Reactivity, fate and functional roles of dissolved organic matter in anoxic inland waters

Maximilian P. Lau,Paul del Giorgio

Correction to ‘Blue Carbon stocks of Great Barrier Reef deep-water seagrasses’

Egg incubation temperature does not influence adult heat tolerance in the lizard Anolis sagrei

Alex R. Gunderson,Amélie Fargevieille,Daniel A. Warner

Environmental factors explain spawning day deviation from full moon in the scleractinian coral Acropora

Masakado Kawata,Masayuki Hatta,Naoto Ueno,Seishiro Furukawa,Shinichiro Maruyama,Yusuke Sakai

Uninhibited chickens: ranging behaviour impacts motor self-regulation in free-range broiler chickens (Gallus gallus domesticus)

Karine Germain,Lorène Reiter,Ludovic Calandreau,Vanessa Guesdon,Vitor Hugo Bessa Ferreira

Small within the largest: brain size and anatomy of the extinct Neoepiblema acreensis, a giant rodent from the Neotropics

Francisco R. Negri,José D. Ferreira,Leonardo Kerber,Marcelo R. Sánchez-Villagra

Chronic water restriction triggers sex-specific oxidative stress and telomere shortening in lizards

Andréaz Dupoué,Beatriz Decencière,Cécile Ribout,David Rozen-Rechels,Frédéric Angelier,Jean-Fran？ois Le Galliard,Sandrine Meylan,Simon Agostini

The effect of autopolyploidy on population genetic signals of hard sweeps

Patrick Monnahan,Yaniv Brandvain

Cuttlefish show flexible and future-dependent foraging cognition

Alexandra K. Schnell,Christelle Jozet-Alves,Nicola S. Clayton,Pauline Billard

Climate warming and trophic mismatches in terrestrial ecosystems: the green–brown imbalance hypothesis

Madhav P. Thakur

Functional traits of the gut microbiome correlated with host lipid content in a natural population of Drosophila melanogaster

Angela E. Douglas,David Kang

DNA preserved in jetsam whale ambergris

Matthew J. Collins,Mikkel-Holger S. Sinding,Morten Tange Olsen,Ruairidh Macleod,Steven J. Rowland

Correction to ‘Obligately silent males sire more offspring than singers in a rapidly evolving cricket population’

When do older birds better resist stress? A study of the corticosterone stress response in snow petrels

Adam Z. Lendvai,Charline Parenteau,Frédéric Angelier,Henri Weimerskirch,John C. Wingfield,Olivier Chastel

Unhatched eggs represent the invisible fraction in two wild bird populations

Nicola Hemmings,Simon Evans

Experimental translocations to low predation lead to non-parallel increases in relative brain size

Alexander Kotrschal,David J. Mitchell,Regina Vega-Trejo

Predator type influences the frequency of functional responses to prey in marine habitats

Kevin A. Hovel,Robert P. Dunn

Host heterogeneity mitigates virulence evolution

Amanda K. Gibson,Angela Choi,Arthur Menezes,Jacobus de Roode,Levi Morran,McKenna Penley,P. Signe White,Rishika Pandey

Experimental vacancies do not induce settlement despite habitat saturation in a cooperative breeder

Andrew Cockburn,Lyanne Brouwer

New application of strontium isotopes reveals evidence of limited migratory behaviour in Late Cretaceous hadrosaurs

Charles M. Henderson,David F. Terrill,Jason S. Anderson

A poor substitute for the real thing: captive-reared monarch butterflies are weaker, paler and have less elongated wings than wild migrants

Andrew K. Davis,Ashley M. Ballew,Farran M. Smith

The longer the better: evidence that narwhal tusks are sexually selected

Alexandre V. Palaoro,Eva Garde,Mads Peter Heide-J？rgensen,Zackary A. Graham

Sibling quality and the haplodiploidy hypothesis

A. N. Radford,P. Kennedy

Prehistoric baseline reveals substantial decline of oyster reef condition in a Gulf of Mexico conservation priority area

Alexander C. Delgado,C. Trevor Duke,Christina P. Sampson,Evan W. Moore,Gregory S. Herbert,Megan E. Smith,Nasser M. Al-Qattan,Ryan M. Harke,Stephen G. Hesterberg,Thomas J. Pluckhahn

Trade-off between offspring mass and number: the lightest offspring bear the costs

Andreas Zedrosser,Fanie Pelletier,Joanie Van de Walle,Jon E. Swenson

Unconditional care from close maternal kin in the face of parasites

Clémence Poirotte,Marie J. E. Charpentier

Retraction: Persistent social interactions beget more pronounced personalities in a desert-dwelling social spider

Host identity and symbiotic association affects the taxonomic and functional diversity of the clownfish-hosting sea anemone microbiome

Benjamin M. Titus,Christopher P. Meyer,Estefanía Rodríguez,Herman Wirshing,Robert Laroche

Convergent evolution of tail spines in squamate reptiles driven by microhabitat use

Emily J. Roycroft,Johannes Müller,Till Ramm

Nutritional geometry of mitochondrial genetic effects on male fertility

J. Moore,M. F. Camus,M. Reuter

An experimental test of the role of male mating history on paternal effects in the livebearer fish Gambusia holbrooki

Michael D. Jennions,Rebecca J. Fox,Upama Aich

Do penguins’ vocal sequences conform to linguistic laws?

Cristina Pilenga,David Reby,Elena Fumagalli,Eleonora Cresta,Francesca Bandoli,Livio Favaro,Marco Gamba,Nicolas Mathevon,Valentina Isaja

Success, competition and opportunities

Pre- and post-copulatory traits working in concert: sexual dichromatism in passerines is associated with sperm morphology

Kate L. Durrant,Matthew R. E. Symonds,Tom Reader

Winter is coming: harsh environments limit independent reproduction of cooperative-breeding queens in a socially polymorphic ant

Guglielmo Grasso,Michel Chapuisat,Ornela De Gasperin,Pierre Blacher

Identifying drivers of forest resilience in long-term records from the Neotropics

B. Figueroa-Rangel,B. Whitney,C. Adolf,C. Tovar,G. A. Islebe,G. Dominguez-Vázquez,H. Behling,H. Hooghiemstra,H. Neff,J. C. Berrío,K. J. Willis,M. J. Wooller,M. Olvera-Vargas,N. Kühn,Z. Gonzalez-Carranza

Wind drives temporal variation in pollinator visitation in a fragmented tropical forest

Chase D. Mendenhall,James D. Crall,Julia Brokaw,Naomi E. Pierce,Stacey A. Combes,Susan F. Gagliardi

Changes in the coordination between respiration and swallowing from suckling through weaning

Bethany M. Stricklen,Christopher J. Mayerl,Francois D. H. Gould,Laura E. Bond,Rebecca Z. German

Evolutionary rates are correlated between cockroach symbionts and mitochondrial genomes

Daej A. Arab,Nathan Lo,Simon Y. W. Ho,Thomas Bourguignon,Zongqing Wang

Reviewers in 2019